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# This set of tests check the DFA matching functionality of pcre2_dfa_match(),# excluding UTF and Unicode property support. All matches are done using DFA,# forced by setting a default subject modifier at the start. #forbid_utf#subject dfa#newline_default lf anycrlf any /abc/ abc 0: abc /ab*c/ abc 0: abc abbbbc 0: abbbbc ac 0: ac /ab+c/ abc 0: abc abbbbbbc 0: abbbbbbc\= Expect no match acNo match abNo match /a*/no_auto_possess a 0: a 1: aaaaaaaaaaaaaaaaaMatched, but offsets vector is too small to show all matches 0: aaaaaaaaaaaaaaaaa 1: aaaaaaaaaaaaaaaa 2: aaaaaaaaaaaaaaa 3: aaaaaaaaaaaaaa 4: aaaaaaaaaaaaa 5: aaaaaaaaaaaa 6: aaaaaaaaaaa 7: aaaaaaaaaa 8: aaaaaaaaa 9: aaaaaaaa10: aaaaaaa11: aaaaaa12: aaaaa13: aaaa14: aaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=ovector=10 Matched, but offsets vector is too small to show all matches 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaa 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaa 3: aaaaaaaaaaaaaaaaaaaaaaaaaaa 4: aaaaaaaaaaaaaaaaaaaaaaaaaa 5: aaaaaaaaaaaaaaaaaaaaaaaaa 6: aaaaaaaaaaaaaaaaaaaaaaaa 7: aaaaaaaaaaaaaaaaaaaaaaa 8: aaaaaaaaaaaaaaaaaaaaaa 9: aaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=dfa_shortest 0: /(a|abcd|african)/ a 0: a abcd 0: abcd 1: a african 0: african 1: a /^abc/ abcdef 0: abc\= Expect no match xyzabcNo match xyz\nabc No match /^abc/m abcdef 0: abc xyz\nabc 0: abc\= Expect no match xyzabcNo match /\Aabc/ abcdef 0: abc\= Expect no match xyzabcNo match xyz\nabc No match /\Aabc/m abcdef 0: abc\= Expect no match xyzabcNo match xyz\nabc No match /\Gabc/ abcdef 0: abc xyzabc\=offset=3 0: abc\= Expect no match xyzabc No match xyzabc\=offset=2No match /x\dy\Dz/ x9yzz 0: x9yzz x0y+z 0: x0y+z\= Expect no match xyzNo match xxy0z No match /x\sy\Sz/ x yzz 0: x yzz x y+z 0: x y+z\= Expect no match xyzNo match xxyyzNo match /x\wy\Wz/ xxy+z 0: xxy+z\= Expect no match xxy0zNo match x+y+z No match /x.y/ x+y 0: x+y x-y 0: x-y\= Expect no match x\nyNo match /x.y/s x+y 0: x+y x-y 0: x-y x\ny 0: x\x0ay
/(a.b(?s)c.d|x.y)p.q/ a+bc+dp+q 0: a+bc+dp+q a+bc\ndp+q 0: a+bc\x0adp+q x\nyp+q 0: x\x0ayp+q\= Expect no match a\nbc\ndp+qNo match a+bc\ndp\nqNo match x\nyp\nq No match
/a\d\z/ ba0 0: a0\= Expect no match ba0\nNo match ba0\ncd No match
/a\d\z/m ba0 0: a0\= Expect no match ba0\nNo match ba0\ncd No match
/a\d\Z/ ba0 0: a0 ba0\n 0: a0\= Expect no match ba0\ncd No match
/a\d\Z/m ba0 0: a0 ba0\n 0: a0\= Expect no match ba0\ncd No match
/a\d$/ ba0 0: a0 ba0\n 0: a0\= Expect no match ba0\ncd No match
/a\d$/m ba0 0: a0 ba0\n 0: a0 ba0\ncd 0: a0
/abc/i abc 0: abc aBc 0: aBc ABC 0: ABC /[^a]/ abcd 0: b /ab?\w/ abz 0: abz 1: ab abbz 0: abb 1: ab azz 0: az
/x{0,3}yz/ ayzq 0: yz axyzq 0: xyz axxyz 0: xxyz axxxyzq 0: xxxyz axxxxyzq 0: xxxyz\= Expect no match axNo match axx No match /x{3}yz/ axxxyzq 0: xxxyz axxxxyzq 0: xxxyz\= Expect no match axNo match axx No match ayzqNo match axyzqNo match axxyzNo match /x{2,3}yz/ axxyz 0: xxyz axxxyzq 0: xxxyz axxxxyzq 0: xxxyz\= Expect no match axNo match axx No match ayzqNo match axyzqNo match /[^a]+/no_auto_possess bac 0: b bcdefax 0: bcdef 1: bcde 2: bcd 3: bc 4: b\= Expect no match aaaaa No match
/[^a]*/no_auto_possess bac 0: b 1: bcdefax 0: bcdef 1: bcde 2: bcd 3: bc 4: b 5: aaaaa 0: /[^a]{3,5}/no_auto_possess xyz 0: xyz awxyza 0: wxyz 1: wxy abcdefa 0: bcdef 1: bcde 2: bcd abcdefghijk 0: bcdef 1: bcde 2: bcd\= Expect no match axyaNo match axaNo match aaaaa No match
/\d*/ 1234b567 0: 1234 xyz 0: /\D*/ a1234b567 0: a xyz 0: xyz /\d+/ ab1234c56 0: 1234\= Expect no match xyzNo match /\D+/ ab123c56 0: ab\= Expect no match 789No match /\d?A/ 045ABC 0: 5A ABC 0: A\= Expect no match XYZNo match /\D?A/ ABC 0: A BAC 0: BA 9ABC 0: A
/a+/ aaaa 0: aaaa
/^.*xyz/ xyz 0: xyz ggggggggxyz 0: ggggggggxyz /^.+xyz/ abcdxyz 0: abcdxyz axyz 0: axyz\= Expect no match xyzNo match /^.?xyz/ xyz 0: xyz cxyz 0: cxyz
/^\d{2,3}X/ 12X 0: 12X 123X 0: 123X\= Expect no match XNo match 1XNo match 1234X No match
/^[abcd]\d/ a45 0: a4 b93 0: b9 c99z 0: c9 d04 0: d0\= Expect no match e45No match abcd No match abcd1234No match 1234 No match
/^[abcd]*\d/ a45 0: a4 b93 0: b9 c99z 0: c9 d04 0: d0 abcd1234 0: abcd1 1234 0: 1\= Expect no match e45No match abcd No match
/^[abcd]+\d/ a45 0: a4 b93 0: b9 c99z 0: c9 d04 0: d0 abcd1234 0: abcd1\= Expect no match 1234 No match e45No match abcd No match
/^a+X/ aX 0: aX aaX 0: aaX
/^[abcd]?\d/ a45 0: a4 b93 0: b9 c99z 0: c9 d04 0: d0 1234 0: 1\= Expect no match abcd1234No match e45No match
/^[abcd]{2,3}\d/ ab45 0: ab4 bcd93 0: bcd9\= Expect no match 1234 No match a36 No match abcd1234No match ee45No match
/^(abc)*\d/ abc45 0: abc4 abcabcabc45 0: abcabcabc4 42xyz 0: 4
/^(abc)+\d/ abc45 0: abc4 abcabcabc45 0: abcabcabc4\= Expect no match 42xyz No match
/^(abc)?\d/ abc45 0: abc4 42xyz 0: 4\= Expect no match abcabcabc45No match
/^(abc){2,3}\d/ abcabc45 0: abcabc4 abcabcabc45 0: abcabcabc4\= Expect no match abcabcabcabc45No match abc45No match 42xyz No match
/1(abc|xyz)2(?1)3/ 1abc2abc3456 0: 1abc2abc3 1abc2xyz3456 0: 1abc2xyz3
/^(a*\w|ab)=(a*\w|ab)/ ab=ab 0: ab=ab 1: ab=a
/^(a*\w|ab)=(?1)/ ab=ab 0: ab=ab 1: ab=a
/^([^()]|\((?1)*\))*$/ abc 0: abc a(b)c 0: a(b)c a(b(c))d 0: a(b(c))d\= Expect no match) a(b(c)d No match
/^>abc>([^()]|\((?1)*\))*<xyz<$/ >abc>123<xyz< 0: >abc>123<xyz< >abc>1(2)3<xyz< 0: >abc>1(2)3<xyz< >abc>(1(2)3)<xyz< 0: >abc>(1(2)3)<xyz<
/^(?>a*)\d/ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9876 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9\= Expect no match aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaNo match
/< (?: (?(R) \d++ | [^<>]*+) | (?R)) * >/x <> 0: <> <abcd> 0: <abcd> <abc <123> hij> 0: <abc <123> hij> <abc <def> hij> 0: <def> <abc<>def> 0: <abc<>def> <abc<> 0: <>\= Expect no match <abcNo match
/^(?(?=abc)\w{3}:|\d\d)$/ abc: 0: abc: 12 0: 12\= Expect no match 123 No match xyz No match /^(?(?!abc)\d\d|\w{3}:)$/ abc: 0: abc: 12 0: 12\= Expect no match 123No match xyz No match
/^(?=abc)\w{5}:$/ abcde: 0: abcde:\= Expect no match abc.. No match 123 No match vwxyz No match /^(?!abc)\d\d$/ 12 0: 12\= Expect no match abcde:No match abc.. No match 123No match vwxyz No match
/(?<=abc|xy)123/ abc12345 0: 123 wxy123z 0: 123\= Expect no match 123abcNo match
/(?<!abc|xy)123/ 123abc 0: 123 mno123456 0: 123\= Expect no match abc12345No match wxy123zNo match
/abc(?C1)xyz/ abcxyz--->abcxyz 1 ^ ^ x 0: abcxyz 123abcxyz999 --->123abcxyz999 1 ^ ^ x 0: abcxyz
/(ab|cd){3,4}/auto_callout ababab--->ababab +0 ^ ( +1 ^ a +4 ^ c +2 ^^ b +3 ^ ^ | +1 ^ ^ a +4 ^ ^ c +2 ^ ^ b +3 ^ ^ | +1 ^ ^ a +4 ^ ^ c +2 ^ ^ b +3 ^ ^ |+12 ^ ^ End of pattern +1 ^ ^ a +4 ^ ^ c 0: ababab abcdabcd--->abcdabcd +0 ^ ( +1 ^ a +4 ^ c +2 ^^ b +3 ^ ^ | +1 ^ ^ a +4 ^ ^ c +5 ^ ^ d +6 ^ ^ ){3,4} +1 ^ ^ a +4 ^ ^ c +2 ^ ^ b +3 ^ ^ |+12 ^ ^ End of pattern +1 ^ ^ a +4 ^ ^ c +5 ^ ^ d +6 ^ ^ ){3,4}+12 ^ ^ End of pattern 0: abcdabcd 1: abcdab abcdcdcdcdcd --->abcdcdcdcdcd +0 ^ ( +1 ^ a +4 ^ c +2 ^^ b +3 ^ ^ | +1 ^ ^ a +4 ^ ^ c +5 ^ ^ d +6 ^ ^ ){3,4} +1 ^ ^ a +4 ^ ^ c +5 ^ ^ d +6 ^ ^ ){3,4}+12 ^ ^ End of pattern +1 ^ ^ a +4 ^ ^ c +5 ^ ^ d +6 ^ ^ ){3,4}+12 ^ ^ End of pattern 0: abcdcdcd 1: abcdcd
/^abc/ abcdef 0: abc\= Expect no match abcdef\=notbolNo match
/^(a*|xyz)/ bcd 0: aaabcd 0: aaa xyz 0: xyz 1: xyz\=notempty 0: xyz\= Expect no match bcd\=notemptyNo match /xyz$/ xyz 0: xyz xyz\n 0: xyz\= Expect no match xyz\=noteolNo match xyz\n\=noteolNo match /xyz$/m xyz 0: xyz xyz\n 0: xyz abcxyz\npqr 0: xyz abcxyz\npqr\=noteol 0: xyz xyz\n\=noteol 0: xyz\= Expect no match xyz\=noteolNo match
/\Gabc/ abcdef 0: abc defabcxyz\=offset=3 0: abc\= Expect no match defabcxyzNo match
/^abcdef/ ab\=psPartial match: ab abcde\=psPartial match: abcde abcdef\=ps 0: abcdef\= Expect no match abx\=psNo match
/^a{2,4}\d+z/ a\=psPartial match: a aa\=psPartial match: aa aa2\=psPartial match: aa2 aaa\=psPartial match: aaa aaa23\=psPartial match: aaa23 aaaa12345\=psPartial match: aaaa12345 aa0z\=ps 0: aa0z aaaa4444444444444z\=ps 0: aaaa4444444444444z\= Expect no match az\=psNo match aaaaa\=psNo match a56\=psNo match
/^abcdef/ abc\=psPartial match: abc def\=dfa_restart 0: def /(?<=foo)bar/ foob\=ps,offset=2,allusedtextPartial match: foob <<< foobar...\=ps,dfa_restart,offset=4 0: ar foobar\=offset=2 0: bar\= Expect no match xyzfo\=psNo match obar\=dfa_restartNo match
/(ab*(cd|ef))+X/ lkjhlkjhlkjhlkjhabbbbbbcdaefabbbbbbbefa\=ps,notbol,noteolPartial match: abbbbbbcdaefabbbbbbbefa cdabbbbbbbb\=ps,notbol,dfa_restart,noteolPartial match: cdabbbbbbbb efabbbbbbbbbbbbbbbb\=ps,notbol,dfa_restart,noteolPartial match: efabbbbbbbbbbbbbbbb bbbbbbbbbbbbcdXyasdfadf\=ps,notbol,dfa_restart,noteol 0: bbbbbbbbbbbbcdX\= Expect no match adfadadaklhlkalkajhlkjahdfasdfasdfladsfjkj\=ps,noteolNo match
/the quick brown fox/ the quick brown fox 0: the quick brown fox What do you know about the quick brown fox? 0: the quick brown fox\= Expect no match The quick brown FOXNo match What do you know about THE QUICK BROWN FOX?No match
/The quick brown fox/i the quick brown fox 0: the quick brown fox The quick brown FOX 0: The quick brown FOX What do you know about the quick brown fox? 0: the quick brown fox What do you know about THE QUICK BROWN FOX? 0: THE QUICK BROWN FOX
/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/ abcd\t\n\r\f\a\e9;\$\\?caxyz 0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/ abxyzpqrrrabbxyyyypqAzz 0: abxyzpqrrrabbxyyyypqAzz abxyzpqrrrabbxyyyypqAzz 0: abxyzpqrrrabbxyyyypqAzz aabxyzpqrrrabbxyyyypqAzz 0: aabxyzpqrrrabbxyyyypqAzz aaabxyzpqrrrabbxyyyypqAzz 0: aaabxyzpqrrrabbxyyyypqAzz aaaabxyzpqrrrabbxyyyypqAzz 0: aaaabxyzpqrrrabbxyyyypqAzz abcxyzpqrrrabbxyyyypqAzz 0: abcxyzpqrrrabbxyyyypqAzz aabcxyzpqrrrabbxyyyypqAzz 0: aabcxyzpqrrrabbxyyyypqAzz aaabcxyzpqrrrabbxyyyypAzz 0: aaabcxyzpqrrrabbxyyyypAzz aaabcxyzpqrrrabbxyyyypqAzz 0: aaabcxyzpqrrrabbxyyyypqAzz aaabcxyzpqrrrabbxyyyypqqAzz 0: aaabcxyzpqrrrabbxyyyypqqAzz aaabcxyzpqrrrabbxyyyypqqqAzz 0: aaabcxyzpqrrrabbxyyyypqqqAzz aaabcxyzpqrrrabbxyyyypqqqqAzz 0: aaabcxyzpqrrrabbxyyyypqqqqAzz aaabcxyzpqrrrabbxyyyypqqqqqAzz 0: aaabcxyzpqrrrabbxyyyypqqqqqAzz aaabcxyzpqrrrabbxyyyypqqqqqqAzz 0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz aaaabcxyzpqrrrabbxyyyypqAzz 0: aaaabcxyzpqrrrabbxyyyypqAzz abxyzzpqrrrabbxyyyypqAzz 0: abxyzzpqrrrabbxyyyypqAzz aabxyzzzpqrrrabbxyyyypqAzz 0: aabxyzzzpqrrrabbxyyyypqAzz aaabxyzzzzpqrrrabbxyyyypqAzz 0: aaabxyzzzzpqrrrabbxyyyypqAzz aaaabxyzzzzpqrrrabbxyyyypqAzz 0: aaaabxyzzzzpqrrrabbxyyyypqAzz abcxyzzpqrrrabbxyyyypqAzz 0: abcxyzzpqrrrabbxyyyypqAzz aabcxyzzzpqrrrabbxyyyypqAzz 0: aabcxyzzzpqrrrabbxyyyypqAzz aaabcxyzzzzpqrrrabbxyyyypqAzz 0: aaabcxyzzzzpqrrrabbxyyyypqAzz aaaabcxyzzzzpqrrrabbxyyyypqAzz 0: aaaabcxyzzzzpqrrrabbxyyyypqAzz aaaabcxyzzzzpqrrrabbbxyyyypqAzz 0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz aaaabcxyzzzzpqrrrabbbxyyyyypqAzz 0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz aaabcxyzpqrrrabbxyyyypABzz 0: aaabcxyzpqrrrabbxyyyypABzz aaabcxyzpqrrrabbxyyyypABBzz 0: aaabcxyzpqrrrabbxyyyypABBzz >>>aaabxyzpqrrrabbxyyyypqAzz 0: aaabxyzpqrrrabbxyyyypqAzz >aaaabxyzpqrrrabbxyyyypqAzz 0: aaaabxyzpqrrrabbxyyyypqAzz >>>>abcxyzpqrrrabbxyyyypqAzz 0: abcxyzpqrrrabbxyyyypqAzz\= Expect no match abxyzpqrrabbxyyyypqAzzNo match abxyzpqrrrrabbxyyyypqAzzNo match abxyzpqrrrabxyyyypqAzzNo match aaaabcxyzzzzpqrrrabbbxyyyyyypqAzzNo match aaaabcxyzzzzpqrrrabbbxyyypqAzzNo match aaabcxyzpqrrrabbxyyyypqqqqqqqAzzNo match
/^(abc){1,2}zz/ abczz 0: abczz abcabczz 0: abcabczz\= Expect no match zzNo match abcabcabczzNo match >>abczzNo match
/^(b+?|a){1,2}?c/ bc 0: bc bbc 0: bbc bbbc 0: bbbc bac 0: bac bbac 0: bbac aac 0: aac abbbbbbbbbbbc 0: abbbbbbbbbbbc bbbbbbbbbbbac 0: bbbbbbbbbbbac\= Expect no match aaacNo match abbbbbbbbbbbacNo match
/^(b+|a){1,2}c/ bc 0: bc bbc 0: bbc bbbc 0: bbbc bac 0: bac bbac 0: bbac aac 0: aac abbbbbbbbbbbc 0: abbbbbbbbbbbc bbbbbbbbbbbac 0: bbbbbbbbbbbac\= Expect no match aaacNo match abbbbbbbbbbbacNo match
/^(b+|a){1,2}?bc/ bbc 0: bbc
/^(b*|ba){1,2}?bc/ babc 0: babc bbabc 0: bbabc bababc 0: bababc\= Expect no match bababbcNo match babababcNo match
/^(ba|b*){1,2}?bc/ babc 0: babc bbabc 0: bbabc bababc 0: bababc\= Expect no match bababbcNo match babababcNo match
/^\ca\cA\c[\c{\c:/ \x01\x01\e;z 0: \x01\x01\x1b;z
/^[ab\]cde]/ athing 0: a bthing 0: b ]thing 0: ] cthing 0: c dthing 0: d ething 0: e\= Expect no match fthingNo match [thingNo match \\thingNo match
/^[]cde]/ ]thing 0: ] cthing 0: c dthing 0: d ething 0: e\= Expect no match athingNo match fthingNo match
/^[^ab\]cde]/ fthing 0: f [thing 0: [ \\thing 0: \\= Expect no match athingNo match bthingNo match ]thingNo match cthingNo match dthingNo match ethingNo match
/^[^]cde]/ athing 0: a fthing 0: f\= Expect no match ]thingNo match cthingNo match dthingNo match ethingNo match
/^\�/ � 0: \x81
/^�/ � 0: \xff
/^[0-9]+$/ 0 0: 0 1 0: 1 2 0: 2 3 0: 3 4 0: 4 5 0: 5 6 0: 6 7 0: 7 8 0: 8 9 0: 9 10 0: 10 100 0: 100\= Expect no match abcNo match
/^.*nter/ enter 0: enter inter 0: inter uponter 0: uponter
/^xxx[0-9]+$/ xxx0 0: xxx0 xxx1234 0: xxx1234\= Expect no match xxxNo match
/^.+[0-9][0-9][0-9]$/ x123 0: x123 xx123 0: xx123 123456 0: 123456 x1234 0: x1234\= Expect no match 123No match
/^.+?[0-9][0-9][0-9]$/ x123 0: x123 xx123 0: xx123 123456 0: 123456 x1234 0: x1234\= Expect no match 123No match
/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/ abc!pqr=apquxz.ixr.zzz.ac.uk 0: abc!pqr=apquxz.ixr.zzz.ac.uk\= Expect no match !pqr=apquxz.ixr.zzz.ac.ukNo match abc!=apquxz.ixr.zzz.ac.ukNo match abc!pqr=apquxz:ixr.zzz.ac.ukNo match abc!pqr=apquxz.ixr.zzz.ac.ukkNo match
/:/ Well, we need a colon: somewhere 0: :\= Expect no match No match without a colonNo match
/([\da-f:]+)$/i 0abc 0: 0abc abc 0: abc fed 0: fed E 0: E :: 0: :: 5f03:12C0::932e 0: 5f03:12C0::932e fed def 0: def Any old stuff 0: ff\= Expect no match 0zzzNo match gzzzNo match fed\x20No match Any old rubbishNo match
/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ .1.2.3 0: .1.2.3 A.12.123.0 0: A.12.123.0\= Expect no match .1.2.3333No match 1.2.3No match 1234.2.3No match
/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ 1 IN SOA non-sp1 non-sp2( 0: 1 IN SOA non-sp1 non-sp2( 1 IN SOA non-sp1 non-sp2 ( 0: 1 IN SOA non-sp1 non-sp2 (\= Expect no match 1IN SOA non-sp1 non-sp2(No match
/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/ a. 0: a. Z. 0: Z. 2. 0: 2. ab-c.pq-r. 0: ab-c.pq-r. sxk.zzz.ac.uk. 0: sxk.zzz.ac.uk. x-.y-. 0: x-.y-.\= Expect no match -abc.peq.No match
/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/ *.a 0: *.a *.b0-a 0: *.b0-a *.c3-b.c 0: *.c3-b.c *.c-a.b-c 0: *.c-a.b-c\= Expect no match *.0No match *.a-No match *.a-b.c-No match *.c-a.0-cNo match
/^(?=ab(de))(abd)(e)/ abde 0: abde
/^(?!(ab)de|x)(abd)(f)/ abdf 0: abdf
/^(?=(ab(cd)))(ab)/ abcd 0: ab
/^[\da-f](\.[\da-f])*$/i a.b.c.d 0: a.b.c.d A.B.C.D 0: A.B.C.D a.b.c.1.2.3.C 0: a.b.c.1.2.3.C
/^\".*\"\s*(;.*)?$/ \"1234\" 0: "1234" \"abcd\" ; 0: "abcd" ; \"\" ; rhubarb 0: "" ; rhubarb\= Expect no match \"1234\" : thingsNo match
/^$/ \ 0:
/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x ab c 0: ab c\= Expect no match abcNo match ab cdeNo match
/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/ ab c 0: ab c\= Expect no match abcNo match ab cdeNo match
/^ a\ b[c ]d $/x a bcd 0: a bcd a b d 0: a b d\= Expect no match abcdNo match ab dNo match
/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/ abcdefhijklm 0: abcdefhijklm
/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/ abcdefhijklm 0: abcdefhijklm
/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/ a+ Z0+\x08\n\x1d\x12 0: a+ Z0+\x08\x0a\x1d\x12
/^[.^$|()*+?{,}]+/ .^\$(*+)|{?,?} 0: .^$(*+)|{?,?}
/^a*\w/ z 0: z az 0: az 1: a aaaz 0: aaaz 1: aaa 2: aa 3: a a 0: a aa 0: aa 1: a aaaa 0: aaaa 1: aaa 2: aa 3: a a+ 0: a aa+ 0: aa 1: a
/^a*?\w/ z 0: z az 0: az 1: a aaaz 0: aaaz 1: aaa 2: aa 3: a a 0: a aa 0: aa 1: a aaaa 0: aaaa 1: aaa 2: aa 3: a a+ 0: a aa+ 0: aa 1: a
/^a+\w/ az 0: az aaaz 0: aaaz 1: aaa 2: aa aa 0: aa aaaa 0: aaaa 1: aaa 2: aa aa+ 0: aa
/^a+?\w/ az 0: az aaaz 0: aaaz 1: aaa 2: aa aa 0: aa aaaa 0: aaaa 1: aaa 2: aa aa+ 0: aa
/^\d{8}\w{2,}/ 1234567890 0: 1234567890 12345678ab 0: 12345678ab 12345678__ 0: 12345678__\= Expect no match 1234567No match
/^[aeiou\d]{4,5}$/ uoie 0: uoie 1234 0: 1234 12345 0: 12345 aaaaa 0: aaaaa\= Expect no match 123456No match
/^[aeiou\d]{4,5}?/ uoie 0: uoie 1234 0: 1234 12345 0: 12345 1: 1234 aaaaa 0: aaaaa 1: aaaa 123456 0: 12345 1: 1234
/^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ From abcd Mon Sep 01 12:33:02 1997 0: From abcd Mon Sep 01 12:33
/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ From abcd Mon Sep 01 12:33:02 1997 0: From abcd Mon Sep 01 12:33 From abcd Mon Sep 1 12:33:02 1997 0: From abcd Mon Sep 1 12:33\= Expect no match From abcd Sep 01 12:33:02 1997No match
/^12.34/s 12\n34 0: 12\x0a34 12\r34 0: 12\x0d34
/\w+(?=\t)/ the quick brown\t fox 0: brown
/foo(?!bar)(.*)/ foobar is foolish see? 0: foolish see?
/(?:(?!foo)...|^.{0,2})bar(.*)/ foobar crowbar etc 0: rowbar etc barrel 0: barrel 2barrel 0: 2barrel A barrel 0: A barrel
/^(\D*)(?=\d)(?!123)/ abc456 0: abc\= Expect no match abc123No match
/^1234(?# test newlines inside)/ 1234 0: 1234
/^1234 #comment in extended re /x 1234 0: 1234
/#rhubarb abcd/x abcd 0: abcd
/^abcd#rhubarb/x abcd 0: abcd
/(?!^)abc/ the abc 0: abc\= Expect no match abcNo match
/(?=^)abc/ abc 0: abc\= Expect no match the abcNo match
/^[ab]{1,3}(ab*|b)/no_auto_possess aabbbbb 0: aabbbbb 1: aabbbb 2: aabbb 3: aabb 4: aab 5: aa
/^[ab]{1,3}?(ab*|b)/no_auto_possess aabbbbb 0: aabbbbb 1: aabbbb 2: aabbb 3: aabb 4: aab 5: aa
/^[ab]{1,3}?(ab*?|b)/no_auto_possess aabbbbb 0: aabbbbb 1: aabbbb 2: aabbb 3: aabb 4: aab 5: aa
/^[ab]{1,3}(ab*?|b)/no_auto_possess aabbbbb 0: aabbbbb 1: aabbbb 2: aabbb 3: aabb 4: aab 5: aa
/ (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* # optional leading comment(?: (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|" (?: # opening quote...[^\\\x80-\xff\n\015"] # Anything except backslash and quote| # or\\ [^\x80-\xff] # Escaped something (something != CR))* " # closing quote) # initial word(?: (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* \. (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|" (?: # opening quote...[^\\\x80-\xff\n\015"] # Anything except backslash and quote| # or\\ [^\x80-\xff] # Escaped something (something != CR))* " # closing quote) )* # further okay, if led by a period(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* @ (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # initial subdomain(?: #(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* \. # if led by a period...(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # ...further okay)*# address| # or(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|" (?: # opening quote...[^\\\x80-\xff\n\015"] # Anything except backslash and quote| # or\\ [^\x80-\xff] # Escaped something (something != CR))* " # closing quote) # one word, optionally followed by....(?:[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or...\((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) | # comments, or...
" (?: # opening quote...[^\\\x80-\xff\n\015"] # Anything except backslash and quote| # or\\ [^\x80-\xff] # Escaped something (something != CR))* " # closing quote# quoted strings)*< (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* # leading <(?: @ (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # initial subdomain(?: #(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* \. # if led by a period...(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # ...further okay)*
(?: (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* , (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* @ (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # initial subdomain(?: #(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* \. # if led by a period...(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # ...further okay)*)* # further okay, if led by comma: # closing colon(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* )? # optional route(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|" (?: # opening quote...[^\\\x80-\xff\n\015"] # Anything except backslash and quote| # or\\ [^\x80-\xff] # Escaped something (something != CR))* " # closing quote) # initial word(?: (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* \. (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|" (?: # opening quote...[^\\\x80-\xff\n\015"] # Anything except backslash and quote| # or\\ [^\x80-\xff] # Escaped something (something != CR))* " # closing quote) )* # further okay, if led by a period(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* @ (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # initial subdomain(?: #(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* \. # if led by a period...(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* (?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom| \[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ]) # ...further okay)*# address spec(?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* > # trailing ># name and address) (?: [\040\t] | \((?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*\) )* # optional trailing comment/x Alan Other <user\@dom.ain> 0: Alan Other <user@dom.ain> <user\@dom.ain> 0: user@dom.ain 1: user@dom user\@dom.ain 0: user@dom.ain 1: user@dom \"A. Other\" <user.1234\@dom.ain> (a comment) 0: "A. Other" <user.1234@dom.ain> (a comment) 1: "A. Other" <user.1234@dom.ain> 2: "A. Other" <user.1234@dom.ain> A. Other <user.1234\@dom.ain> (a comment) 0: Other <user.1234@dom.ain> (a comment) 1: Other <user.1234@dom.ain> 2: Other <user.1234@dom.ain> \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re A missing angle <user\@some.where 0: user@some.where 1: user@some\= Expect no match The quick brown foxNo match
/[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional leading comment(?:(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom# Atom| # or" # "[^\\\x80-\xff\n\015"] * # normal(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*" # "# Quoted string)[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:\.[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom# Atom| # or" # "[^\\\x80-\xff\n\015"] * # normal(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*" # "# Quoted string)[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# additional words)*@[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments(?:\.[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments)*# address| # or(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom# Atom| # or" # "[^\\\x80-\xff\n\015"] * # normal(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*" # "# Quoted string)# leading word[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces(?:(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )|" # "[^\\\x80-\xff\n\015"] * # normal(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*" # ") # "special" comment or quoted string[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal")*<[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# <(?:@[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments(?:\.[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments)*(?: ,[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.@[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments(?:\.[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments)*)* # additional domains:[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments)? # optional route(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom# Atom| # or" # "[^\\\x80-\xff\n\015"] * # normal(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*" # "# Quoted string)[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:\.[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom# Atom| # or" # "[^\\\x80-\xff\n\015"] * # normal(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*" # "# Quoted string)[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# additional words)*@[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments(?:\.[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.(?:[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom|\[ # [(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff\] # ])[\040\t]* # Nab whitespace.(?:\( # ([^\\\x80-\xff\n\015()] * # normal*(?: # ((?: \\ [^\x80-\xff] |\( # ([^\\\x80-\xff\n\015()] * # normal*(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*\) # )) # special[^\\\x80-\xff\n\015()] * # normal*)* # )*\) # )[\040\t]* )* # If comment found, allow more spaces.# optional trailing comments)*# address spec> # ># name and address)/x Alan Other <user\@dom.ain> 0: Alan Other <user@dom.ain> <user\@dom.ain> 0: user@dom.ain 1: user@dom user\@dom.ain 0: user@dom.ain 1: user@dom \"A. Other\" <user.1234\@dom.ain> (a comment) 0: "A. Other" <user.1234@dom.ain> A. Other <user.1234\@dom.ain> (a comment) 0: Other <user.1234@dom.ain> \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re A missing angle <user\@some.where 0: user@some.where 1: user@some\= Expect no match The quick brown foxNo match
/abc\0def\00pqr\000xyz\0000AB/ abc\0def\00pqr\000xyz\0000AB 0: abc\x00def\x00pqr\x00xyz\x000AB abc456 abc\0def\00pqr\000xyz\0000ABCDE 0: abc\x00def\x00pqr\x00xyz\x000AB
/abc\x0def\x00pqr\x000xyz\x0000AB/ abc\x0def\x00pqr\x000xyz\x0000AB 0: abc\x0def\x00pqr\x000xyz\x0000AB abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE 0: abc\x0def\x00pqr\x000xyz\x0000AB
/^[\000-\037]/ \0A 0: \x00 \01B 0: \x01 \037C 0: \x1f
/\0*/ \0\0\0\0 0: \x00\x00\x00\x00
/A\x0{2,3}Z/ The A\x0\x0Z 0: A\x00\x00Z An A\0\x0\0Z 0: A\x00\x00\x00Z\= Expect no match A\0ZNo match A\0\x0\0\x0ZNo match
/^\s/ \040abc 0: \x0cabc 0: \x0c \nabc 0: \x0a \rabc 0: \x0d \tabc 0: \x09\= Expect no match abcNo match
/^a b c/x abc 0: abc
/ab{1,3}bc/ abbbbc 0: abbbbc abbbc 0: abbbc abbc 0: abbc\= Expect no match abcNo match abbbbbcNo match
/([^.]*)\.([^:]*):[T ]+(.*)/ track1.title:TBlah blah blah 0: track1.title:TBlah blah blah
/([^.]*)\.([^:]*):[T ]+(.*)/i track1.title:TBlah blah blah 0: track1.title:TBlah blah blah
/([^.]*)\.([^:]*):[t ]+(.*)/i track1.title:TBlah blah blah 0: track1.title:TBlah blah blah
/^[W-c]+$/ WXY_^abc 0: WXY_^abc\= Expect no match wxyNo match
/^[W-c]+$/i WXY_^abc 0: WXY_^abc wxy_^ABC 0: wxy_^ABC
/^[\x3f-\x5F]+$/i WXY_^abc 0: WXY_^abc wxy_^ABC 0: wxy_^ABC
/^abc$/m abc 0: abc qqq\nabc 0: abc abc\nzzz 0: abc qqq\nabc\nzzz 0: abc
/^abc$/ abc 0: abc\= Expect no match qqq\nabcNo match abc\nzzzNo match qqq\nabc\nzzzNo match
/\Aabc\Z/m abc 0: abc abc\n 0: abc\= Expect no match qqq\nabcNo match abc\nzzzNo match qqq\nabc\nzzzNo match /\A(.)*\Z/s abc\ndef 0: abc\x0adef
/\A(.)*\Z/m\= Expect no match abc\ndefNo match
/(?:b)|(?::+)/ b::c 0: b c::b 0: ::
/[-az]+/ az- 0: az-\= Expect no match bNo match
/[az-]+/ za- 0: za-\= Expect no match bNo match
/[a\-z]+/ a-z 0: a-z\= Expect no match bNo match
/[a-z]+/ abcdxyz 0: abcdxyz
/[\d-]+/ 12-34 0: 12-34\= Expect no match aaaNo match
/\x5c/ \\ 0: \
/\x20Z/ the Zoo 0: Z\= Expect no match ZuluNo match
/ab{3cd/ ab{3cd 0: ab{3cd
/ab{3,cd/ ab{3,cd 0: ab{3,cd
/ab{3,4a}cd/ ab{3,4a}cd 0: ab{3,4a}cd
/{4,5a}bc/ {4,5a}bc 0: {4,5a}bc
/^a.b/newline=lf a\rb 0: a\x0db\= Expect no match a\nbNo match
/abc$/ abc 0: abc abc\n 0: abc\= Expect no match abc\ndefNo match
/(abc)\123/ abc\x53 0: abcS
/(abc)\223/ abc\x93 0: abc\x93
/(abc)\323/ abc\xd3 0: abc\xd3
/(abc)\100/ abc\x40 0: abc@ abc\100 0: abc@
/(abc)\1000/ abc\x400 0: abc@0 abc\x40\x30 0: abc@0 abc\1000 0: abc@0 abc\100\x30 0: abc@0 abc\100\060 0: abc@0 abc\100\60 0: abc@0
/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/ abcdefghijk\12S 0: abcdefghijk\x0aS
/a{0}bc/ bc 0: bc
/(a|(bc)){0,0}?xyz/ xyz 0: xyz
/abc[\10]de/ abc\010de 0: abc\x08de
/abc[\1]de/ abc\1de 0: abc\x01de
/(abc)[\1]de/ abc\1de 0: abc\x01de
/(?s)a.b/ a\nb 0: a\x0ab
/^([^a])([^\b])([^c]*)([^d]{3,4})/ baNOTccccd 0: baNOTcccc 1: baNOTccc 2: baNOTcc 3: baNOTc baNOTcccd 0: baNOTccc 1: baNOTcc 2: baNOTc baNOTccd 0: baNOTcc 1: baNOTc bacccd 0: baccc\= Expect no match anythingNo match b\bc No match baccdNo match
/[^a]/ Abc 0: A /[^a]/i Abc 0: b
/[^a]+/ AAAaAbc 0: AAA /[^a]+/i AAAaAbc 0: bc
/[^a]+/ bbb\nccc 0: bbb\x0accc /[^k]$/ abc 0: c\= Expect no match abk No match /[^k]{2,3}$/ abc 0: abc kbc 0: bc kabc 0: abc\= Expect no match abkNo match akbNo match akk No match
/^\d{8,}\@.+[^k]$/ 12345678\@a.b.c.d 0: 12345678@a.b.c.d 123456789\@x.y.z 0: 123456789@x.y.z\= Expect no match 12345678\@x.y.ukNo match 1234567\@a.b.c.d No match
/[^a]/ aaaabcd 0: b aaAabcd 0: A
/[^a]/i aaaabcd 0: b aaAabcd 0: b
/[^az]/ aaaabcd 0: b aaAabcd 0: A
/[^az]/i aaaabcd 0: b aaAabcd 0: b
/\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/ \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377 0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff
/P[^*]TAIRE[^*]{1,6}?LL/ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx 0: PSTAIREISLL
/P[^*]TAIRE[^*]{1,}?LL/ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx 0: PSTAIREISLL
/(\.\d\d[1-9]?)\d+/ 1.230003938 0: .230003938 1.875000282 0: .875000282 1.235 0: .235 /(\.\d\d((?=0)|\d(?=\d)))/ 1.230003938 0: .230 1: .23 1.875000282 0: .875\= Expect no match 1.235 No match /a(?)b/ ab 0: ab /\b(foo)\s+(\w+)/i Food is on the foo table 0: foo table /foo(.*)bar/ The food is under the bar in the barn. 0: food is under the bar in the bar 1: food is under the bar /foo(.*?)bar/ The food is under the bar in the barn. 0: food is under the bar in the bar 1: food is under the bar
/(.*)(\d*)/no_auto_possess I have 2 numbers: 53147Matched, but offsets vector is too small to show all matches 0: I have 2 numbers: 53147 1: I have 2 numbers: 5314 2: I have 2 numbers: 531 3: I have 2 numbers: 53 4: I have 2 numbers: 5 5: I have 2 numbers: 6: I have 2 numbers: 7: I have 2 numbers 8: I have 2 number 9: I have 2 numbe10: I have 2 numb11: I have 2 num12: I have 2 nu13: I have 2 n14: I have 2 /(.*)(\d+)/ I have 2 numbers: 53147 0: I have 2 numbers: 53147 1: I have 2 /(.*?)(\d*)/no_auto_possess I have 2 numbers: 53147Matched, but offsets vector is too small to show all matches 0: I have 2 numbers: 53147 1: I have 2 numbers: 5314 2: I have 2 numbers: 531 3: I have 2 numbers: 53 4: I have 2 numbers: 5 5: I have 2 numbers: 6: I have 2 numbers: 7: I have 2 numbers 8: I have 2 number 9: I have 2 numbe10: I have 2 numb11: I have 2 num12: I have 2 nu13: I have 2 n14: I have 2
/(.*?)(\d+)/ I have 2 numbers: 53147 0: I have 2 numbers: 53147 1: I have 2
/(.*)(\d+)$/ I have 2 numbers: 53147 0: I have 2 numbers: 53147
/(.*?)(\d+)$/ I have 2 numbers: 53147 0: I have 2 numbers: 53147
/(.*)\b(\d+)$/ I have 2 numbers: 53147 0: I have 2 numbers: 53147
/(.*\D)(\d+)$/ I have 2 numbers: 53147 0: I have 2 numbers: 53147
/^\D*(?!123)/ ABC123 0: AB 1: A 2: /^(\D*)(?=\d)(?!123)/ ABC445 0: ABC\= Expect no match ABC123No match /^[W-]46]/ W46]789 0: W46] -46]789 0: -46]\= Expect no match WallNo match ZebraNo match 42No match [abcd] No match ]abcd[No match /^[W-\]46]/ W46]789 0: W Wall 0: W Zebra 0: Z Xylophone 0: X 42 0: 4 [abcd] 0: [ ]abcd[ 0: ] \\backslash 0: \\= Expect no match -46]789No match wellNo match /\d\d\/\d\d\/\d\d\d\d/ 01/01/2000 0: 01/01/2000
/word (?:[a-zA-Z0-9]+ ){0,10}otherword/ word cat dog elephant mussel cow horse canary baboon snake shark otherword 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword\= Expect no match word cat dog elephant mussel cow horse canary baboon snake sharkNo match
/word (?:[a-zA-Z0-9]+ ){0,300}otherword/\= Expect no match word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hopeNo match
/^(a){0,0}/ bcd 0: abc 0: aab 0:
/^(a){0,1}/ bcd 0: abc 0: a 1: aab 0: a 1:
/^(a){0,2}/ bcd 0: abc 0: a 1: aab 0: aa 1: a 2:
/^(a){0,3}/ bcd 0: abc 0: a 1: aab 0: aa 1: a 2: aaa 0: aaa 1: aa 2: a 3:
/^(a){0,}/ bcd 0: abc 0: a 1: aab 0: aa 1: a 2: aaa 0: aaa 1: aa 2: a 3: aaaaaaaa 0: aaaaaaaa 1: aaaaaaa 2: aaaaaa 3: aaaaa 4: aaaa 5: aaa 6: aa 7: a 8:
/^(a){1,1}/ abc 0: a aab 0: a\= Expect no match bcdNo match
/^(a){1,2}/ abc 0: a aab 0: aa 1: a\= Expect no match bcdNo match
/^(a){1,3}/ abc 0: a aab 0: aa 1: a aaa 0: aaa 1: aa 2: a\= Expect no match bcdNo match
/^(a){1,}/ abc 0: a aab 0: aa 1: a aaa 0: aaa 1: aa 2: a aaaaaaaa 0: aaaaaaaa 1: aaaaaaa 2: aaaaaa 3: aaaaa 4: aaaa 5: aaa 6: aa 7: a\= Expect no match bcdNo match
/.*\.gif/ borfle\nbib.gif\nno 0: bib.gif
/.{0,}\.gif/ borfle\nbib.gif\nno 0: bib.gif
/.*\.gif/m borfle\nbib.gif\nno 0: bib.gif
/.*\.gif/s borfle\nbib.gif\nno 0: borfle\x0abib.gif
/.*\.gif/ms borfle\nbib.gif\nno 0: borfle\x0abib.gif /.*$/ borfle\nbib.gif\nno 0: no
/.*$/m borfle\nbib.gif\nno 0: borfle
/.*$/s borfle\nbib.gif\nno 0: borfle\x0abib.gif\x0ano
/.*$/ms borfle\nbib.gif\nno 0: borfle\x0abib.gif\x0ano 1: borfle\x0abib.gif 2: borfle /.*$/ borfle\nbib.gif\nno\n 0: no
/.*$/m borfle\nbib.gif\nno\n 0: borfle
/.*$/s borfle\nbib.gif\nno\n 0: borfle\x0abib.gif\x0ano\x0a 1: borfle\x0abib.gif\x0ano
/.*$/ms borfle\nbib.gif\nno\n 0: borfle\x0abib.gif\x0ano\x0a 1: borfle\x0abib.gif\x0ano 2: borfle\x0abib.gif 3: borfle /(.*X|^B)/ abcde\n1234Xyz 0: 1234X BarFoo 0: B\= Expect no match abcde\nBar No match
/(.*X|^B)/m abcde\n1234Xyz 0: 1234X BarFoo 0: B abcde\nBar 0: B
/(.*X|^B)/s abcde\n1234Xyz 0: abcde\x0a1234X BarFoo 0: B\= Expect no match abcde\nBar No match
/(.*X|^B)/ms abcde\n1234Xyz 0: abcde\x0a1234X BarFoo 0: B abcde\nBar 0: B
/(?s)(.*X|^B)/ abcde\n1234Xyz 0: abcde\x0a1234X BarFoo 0: B\= Expect no match abcde\nBar No match
/(?s:.*X|^B)/ abcde\n1234Xyz 0: abcde\x0a1234X BarFoo 0: B\= Expect no match abcde\nBar No match
/^.*B/\= Expect no match abc\nBNo match /(?s)^.*B/ abc\nB 0: abc\x0aB
/(?m)^.*B/ abc\nB 0: B /(?ms)^.*B/ abc\nB 0: abc\x0aB
/(?ms)^B/ abc\nB 0: B
/(?s)B$/ B\n 0: B
/^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/ 123456654321 0: 123456654321 /^\d\d\d\d\d\d\d\d\d\d\d\d/ 123456654321 0: 123456654321
/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/ 123456654321 0: 123456654321 /^[abc]{12}/ abcabcabcabc 0: abcabcabcabc /^[a-c]{12}/ abcabcabcabc 0: abcabcabcabc /^(a|b|c){12}/ abcabcabcabc 0: abcabcabcabc
/^[abcdefghijklmnopqrstuvwxy0123456789]/ n 0: n\= Expect no match z No match
/abcde{0,0}/ abcd 0: abcd\= Expect no match abce No match
/ab[cd]{0,0}e/ abe 0: abe\= Expect no match abcde No match /ab(c){0,0}d/ abd 0: abd\= Expect no match abcd No match
/a(b*)/ a 0: a ab 0: ab abbbb 0: abbbb\= Expect no match bbbbb No match /ab\d{0}e/ abe 0: abe\= Expect no match ab1e No match /"([^\\"]+|\\.)*"/ the \"quick\" brown fox 0: "quick" \"the \\\"quick\\\" brown fox\" 0: "the \"quick\" brown fox"
/.*?/g,aftertext abc 0: abc 0+ 1: ab 2: a 3: 0: 0+ /\b/g,aftertext abc 0: 0+ abc 0: 0+
/\b/g,aftertext abc 0: 0+ abc 0: 0+
//g abc 0: 0: 0: 0:
/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR> 0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
/a[^a]b/ acb 0: acb a\nb 0: a\x0ab /a.b/ acb 0: acb\= Expect no match a\nb No match /a[^a]b/s acb 0: acb a\nb 0: a\x0ab /a.b/s acb 0: acb a\nb 0: a\x0ab
/^(b+?|a){1,2}?c/ bac 0: bac bbac 0: bbac bbbac 0: bbbac bbbbac 0: bbbbac bbbbbac 0: bbbbbac
/^(b+|a){1,2}?c/ bac 0: bac bbac 0: bbac bbbac 0: bbbac bbbbac 0: bbbbac bbbbbac 0: bbbbbac /(?!\A)x/m a\bx\n 0: x\= Expect no match x\nb\nNo match /\x0{ab}/ \0{ab} 0: \x00{ab}
/(A|B)*?CD/ CD 0: CD /(A|B)*CD/ CD 0: CD
/(?<!bar)foo/ foo 0: foo catfood 0: foo arfootle 0: foo rfoosh 0: foo\= Expect no match barfooNo match towbarfooNo match
/\w{3}(?<!bar)foo/ catfood 0: catfoo\= Expect no match fooNo match barfooNo match towbarfooNo match
/(?<=(foo)a)bar/ fooabar 0: bar\= Expect no match barNo match foobbarNo match /\Aabc\z/m abc 0: abc\= Expect no match abc\n No match qqq\nabcNo match abc\nzzzNo match qqq\nabc\nzzzNo match
"(?>.*/)foo"\= Expect no match /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/No match
"(?>.*/)foo" /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo 0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
/(?>(\.\d\d[1-9]?))\d+/ 1.230003938 0: .230003938 1.875000282 0: .875000282\= Expect no match 1.235 No match
/^((?>\w+)|(?>\s+))*$/ now is the time for all good men to come to the aid of the party 0: now is the time for all good men to come to the aid of the party\= Expect no match this is not a line with only words and spaces!No match /(\d+)(\w)/ 12345a 0: 12345a 1: 12345 2: 1234 3: 123 4: 12 12345+ 0: 12345 1: 1234 2: 123 3: 12
/((?>\d+))(\w)/ 12345a 0: 12345a\= Expect no match 12345+ No match
/(?>a+)b/ aaab 0: aaab
/((?>a+)b)/ aaab 0: aaab
/(?>(a+))b/ aaab 0: aaab
/(?>b)+/ aaabbbccc 0: bbb 1: bb 2: b
/(?>a+|b+|c+)*c/ aaabbbbccccd 0: aaabbbbcccc 1: aaabbbbc /(a+|b+|c+)*c/ aaabbbbccccd 0: aaabbbbcccc 1: aaabbbbccc 2: aaabbbbcc 3: aaabbbbc
/((?>[^()]+)|\([^()]*\))+/ ((abc(ade)ufh()()x 0: abc(ade)ufh()()x 1: abc(ade)ufh()() 2: abc(ade)ufh() 3: abc(ade)ufh 4: abc(ade) 5: abc /\(((?>[^()]+)|\([^()]+\))+\)/ (abc) 0: (abc) (abc(def)xyz) 0: (abc(def)xyz)\= Expect no match ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa No match
/a(?-i)b/i ab 0: ab Ab 0: Ab\= Expect no match aBNo match ABNo match /(a (?x)b c)d e/ a bcd e 0: a bcd e\= Expect no match a b cd eNo match abcd e No match a bcde No match /(a b(?x)c d (?-x)e f)/ a bcde f 0: a bcde f\= Expect no match abcdef No match
/(a(?i)b)c/ abc 0: abc aBc 0: aBc\= Expect no match abCNo match aBC No match AbcNo match ABcNo match ABCNo match AbCNo match /a(?i:b)c/ abc 0: abc aBc 0: aBc\= Expect no match ABCNo match abCNo match aBCNo match /a(?i:b)*c/ aBc 0: aBc aBBc 0: aBBc\= Expect no match aBCNo match aBBCNo match /a(?=b(?i)c)\w\wd/ abcd 0: abcd abCd 0: abCd\= Expect no match aBCdNo match abcD No match /(?s-i:more.*than).*million/i more than million 0: more than million more than MILLION 0: more than MILLION more \n than Million 0: more \x0a than Million\= Expect no match MORE THAN MILLION No match more \n than \n million No match
/(?:(?s-i)more.*than).*million/i more than million 0: more than million more than MILLION 0: more than MILLION more \n than Million 0: more \x0a than Million\= Expect no match MORE THAN MILLION No match more \n than \n million No match /(?>a(?i)b+)+c/ abc 0: abc aBbc 0: aBbc aBBc 0: aBBc\= Expect no match AbcNo match abAb No match abbC No match /(?=a(?i)b)\w\wc/ abc 0: abc aBc 0: aBc\= Expect no match Ab No match abCNo match aBC No match /(?<=a(?i)b)(\w\w)c/ abxxc 0: xxc aBxxc 0: xxc\= Expect no match AbxxcNo match ABxxcNo match abxxC No match
/^(?(?=abc)\w{3}:|\d\d)$/ abc: 0: abc: 12 0: 12\= Expect no match 123No match xyz No match
/^(?(?!abc)\d\d|\w{3}:)$/ abc: 0: abc: 12 0: 12\= Expect no match 123No match xyz No match /(?(?<=foo)bar|cat)/ foobar 0: bar cat 0: cat fcat 0: cat focat 0: cat\= Expect no match foocat No match
/(?(?<!foo)cat|bar)/ foobar 0: bar cat 0: cat fcat 0: cat focat 0: cat\= Expect no match foocat No match
/(?>a*)*/ a 0: a 1: aa 0: aa 1: aaaa 0: aaaa 1: /(abc|)+/ abc 0: abc 1: abcabc 0: abcabc 1: abc 2: abcabcabc 0: abcabcabc 1: abcabc 2: abc 3: xyz 0:
/([a]*)*/ a 0: a 1: aaaaa 0: aaaaa 1: aaaa 2: aaa 3: aa 4: a 5: /([ab]*)*/ a 0: a 1: b 0: b 1: ababab 0: ababab 1: ababa 2: abab 3: aba 4: ab 5: a 6: aaaabcde 0: aaaab 1: aaaa 2: aaa 3: aa 4: a 5: bbbb 0: bbbb 1: bbb 2: bb 3: b 4: /([^a]*)*/ b 0: b 1: bbbb 0: bbbb 1: bbb 2: bb 3: b 4: aaa 0: /([^ab]*)*/ cccc 0: cccc 1: ccc 2: cc 3: c 4: abab 0: /([a]*?)*/ a 0: a 1: aaaa 0: aaaa 1: aaa 2: aa 3: a 4: /([ab]*?)*/ a 0: a 1: b 0: b 1: abab 0: abab 1: aba 2: ab 3: a 4: baba 0: baba 1: bab 2: ba 3: b 4: /([^a]*?)*/ b 0: b 1: bbbb 0: bbbb 1: bbb 2: bb 3: b 4: aaa 0: /([^ab]*?)*/ c 0: c 1: cccc 0: cccc 1: ccc 2: cc 3: c 4: baba 0: /(?>a*)*/ a 0: a 1: aaabcde 0: aaa 1: /((?>a*))*/ aaaaa 0: aaaaa 1: aabbaa 0: aa 1: /((?>a*?))*/ aaaaa 0: aaaaa 1: aabbaa 0: aa 1:
/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x 12-sep-98 0: 12-sep-98 12-09-98 0: 12-09-98\= Expect no match sep-12-98No match /(?i:saturday|sunday)/ saturday 0: saturday sunday 0: sunday Saturday 0: Saturday Sunday 0: Sunday SATURDAY 0: SATURDAY SUNDAY 0: SUNDAY SunDay 0: SunDay /(a(?i)bc|BB)x/ abcx 0: abcx aBCx 0: aBCx bbx 0: bbx BBx 0: BBx\= Expect no match abcXNo match aBCXNo match bbXNo match BBX No match
/^([ab](?i)[cd]|[ef])/ ac 0: ac aC 0: aC bD 0: bD elephant 0: e Europe 0: E frog 0: f France 0: F\= Expect no match Africa No match
/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/ ab 0: ab aBd 0: aBd xy 0: xy xY 0: xY zebra 0: z Zambesi 0: Z\= Expect no match aCD No match XY No match
/(?<=foo\n)^bar/m foo\nbar 0: bar\= Expect no match barNo match baz\nbar No match
/(?<=(?<!foo)bar)baz/ barbaz 0: baz barbarbaz 0: baz koobarbaz 0: baz\= Expect no match bazNo match foobarbaz No match
# The following tests are taken from the Perl 5.005 test suite; some of them# are compatible with 5.004, but I'd rather not have to sort them out.
/abc/ abc 0: abc xabcy 0: abc ababc 0: abc\= Expect no match xbcNo match axcNo match abxNo match
/ab*c/ abc 0: abc
/ab*bc/ abc 0: abc abbc 0: abbc abbbbc 0: abbbbc
/.{1}/ abbbbc 0: a
/.{3,4}/ abbbbc 0: abbb
/ab{0,}bc/ abbbbc 0: abbbbc
/ab+bc/ abbc 0: abbc\= Expect no match abcNo match abqNo match
/ab+bc/ abbbbc 0: abbbbc
/ab{1,}bc/ abbbbc 0: abbbbc
/ab{1,3}bc/ abbbbc 0: abbbbc
/ab{3,4}bc/ abbbbc 0: abbbbc
/ab{4,5}bc/\= Expect no match abqNo match abbbbcNo match
/ab?bc/ abbc 0: abbc abc 0: abc
/ab{0,1}bc/ abc 0: abc
/ab?bc/
/ab?c/ abc 0: abc
/ab{0,1}c/ abc 0: abc
/^abc$/ abc 0: abc\= Expect no match abbbbcNo match abccNo match
/^abc/ abcc 0: abc
/^abc$/
/abc$/ aabc 0: abc aabc 0: abc\= Expect no match aabcdNo match
/^/ abc 0:
/$/ abc 0:
/a.c/ abc 0: abc axc 0: axc
/a.*c/ axyzc 0: axyzc
/a[bc]d/ abd 0: abd\= Expect no match axyzdNo match abcNo match
/a[b-d]e/ ace 0: ace
/a[b-d]/ aac 0: ac
/a[-b]/ a- 0: a-
/a[b-]/ a- 0: a-
/a]/ a] 0: a]
/a[]]b/ a]b 0: a]b
/a[^bc]d/ aed 0: aed\= Expect no match abdNo match abdNo match
/a[^-b]c/ adc 0: adc
/a[^]b]c/ adc 0: adc a-c 0: a-c\= Expect no match a]cNo match
/\ba\b/ a- 0: a -a 0: a -a- 0: a
/\by\b/\= Expect no match xyNo match yzNo match xyzNo match
/\Ba\B/\= Expect no match a-No match -aNo match -a-No match
/\By\b/ xy 0: y
/\by\B/ yz 0: y
/\By\B/ xyz 0: y
/\w/ a 0: a
/\W/ - 0: -\= Expect no match aNo match
/a\sb/ a b 0: a b
/a\Sb/ a-b 0: a-b\= Expect no match a bNo match
/\d/ 1 0: 1
/\D/ - 0: -\= Expect no match 1No match
/[\w]/ a 0: a
/[\W]/ - 0: -\= Expect no match aNo match
/a[\s]b/ a b 0: a b
/a[\S]b/ a-b 0: a-b\= Expect no match a bNo match
/[\d]/ 1 0: 1
/[\D]/ - 0: -\= Expect no match 1No match
/ab|cd/ abc 0: ab abcd 0: ab
/()ef/ def 0: ef
/$b/
/a\(b/ a(b 0: a(b
/a\(*b/ ab 0: ab a((b 0: a((b
/a\\b/ a\\b 0: a\b\= Expect no match a\bNo match
/((a))/ abc 0: a
/(a)b(c)/ abc 0: abc
/a+b+c/ aabbabc 0: abc
/a{1,}b{1,}c/ aabbabc 0: abc
/a.+?c/ abcabc 0: abcabc 1: abc
/(a+|b)*/ ab 0: ab 1: a 2:
/(a+|b){0,}/ ab 0: ab 1: a 2:
/(a+|b)+/ ab 0: ab 1: a
/(a+|b){1,}/ ab 0: ab 1: a
/(a+|b)?/ ab 0: a 1:
/(a+|b){0,1}/ ab 0: a 1:
/[^ab]*/ cde 0: cde
/abc/\= Expect no match bNo match
/a*/
/([abc])*d/ abbbcd 0: abbbcd
/([abc])*bcd/ abcd 0: abcd
/a|b|c|d|e/ e 0: e
/(a|b|c|d|e)f/ ef 0: ef
/abcd*efg/ abcdefg 0: abcdefg
/ab*/ xabyabbbz 0: ab xayabbbz 0: a
/(ab|cd)e/ abcde 0: cde
/[abhgefdc]ij/ hij 0: hij
/^(ab|cd)e/
/(abc|)ef/ abcdef 0: ef
/(a|b)c*d/ abcd 0: bcd
/(ab|ab*)bc/ abc 0: abc
/a([bc]*)c*/ abc 0: abc 1: a
/a([bc]*)(c*d)/ abcd 0: abcd
/a([bc]+)(c*d)/ abcd 0: abcd
/a([bc]*)(c+d)/ abcd 0: abcd
/a[bcd]*dcdcde/ adcdcde 0: adcdcde
/a[bcd]+dcdcde/\= Expect no match abcdeNo match adcdcdeNo match
/(ab|a)b*c/ abc 0: abc
/((a)(b)c)(d)/ abcd 0: abcd
/[a-zA-Z_][a-zA-Z0-9_]*/ alpha 0: alpha
/^a(bc+|b[eh])g|.h$/ abh 0: bh
/(bc+d$|ef*g.|h?i(j|k))/ effgz 0: effgz ij 0: ij reffgz 0: effgz\= Expect no match effgNo match bcddNo match
/((((((((((a))))))))))/ a 0: a
/(((((((((a)))))))))/ a 0: a
/multiple words of text/\= Expect no match aaNo match uh-uhNo match
/multiple words/ multiple words, yeah 0: multiple words
/(.*)c(.*)/ abcde 0: abcde
/\((.*), (.*)\)/ (a, b) 0: (a, b)
/[k]/
/abcd/ abcd 0: abcd
/a(bc)d/ abcd 0: abcd
/a[-]?c/ ac 0: ac
/abc/i ABC 0: ABC XABCY 0: ABC ABABC 0: ABC\= Expect no match aaxabxbaxbbxNo match XBCNo match AXCNo match ABXNo match
/ab*c/i ABC 0: ABC
/ab*bc/i ABC 0: ABC ABBC 0: ABBC
/ab*?bc/i ABBBBC 0: ABBBBC
/ab{0,}?bc/i ABBBBC 0: ABBBBC
/ab+?bc/i ABBC 0: ABBC
/ab+bc/i\= Expect no match ABCNo match ABQNo match
/ab{1,}bc/i
/ab+bc/i ABBBBC 0: ABBBBC
/ab{1,}?bc/i ABBBBC 0: ABBBBC
/ab{1,3}?bc/i ABBBBC 0: ABBBBC
/ab{3,4}?bc/i ABBBBC 0: ABBBBC
/ab{4,5}?bc/i\= Expect no match ABQNo match ABBBBCNo match
/ab??bc/i ABBC 0: ABBC ABC 0: ABC
/ab{0,1}?bc/i ABC 0: ABC
/ab??bc/i
/ab??c/i ABC 0: ABC
/ab{0,1}?c/i ABC 0: ABC
/^abc$/i ABC 0: ABC\= Expect no match ABBBBCNo match ABCCNo match
/^abc/i ABCC 0: ABC
/^abc$/i
/abc$/i AABC 0: ABC
/^/i ABC 0:
/$/i ABC 0:
/a.c/i ABC 0: ABC AXC 0: AXC
/a.*?c/i AXYZC 0: AXYZC
/a.*c/i AABC 0: AABC\= Expect no match AXYZDNo match
/a[bc]d/i ABD 0: ABD
/a[b-d]e/i ACE 0: ACE\= Expect no match ABCNo match ABDNo match
/a[b-d]/i AAC 0: AC
/a[-b]/i A- 0: A-
/a[b-]/i A- 0: A-
/a]/i A] 0: A]
/a[]]b/i A]B 0: A]B
/a[^bc]d/i AED 0: AED
/a[^-b]c/i ADC 0: ADC\= Expect no match ABDNo match A-CNo match
/a[^]b]c/i ADC 0: ADC
/ab|cd/i ABC 0: AB ABCD 0: AB
/()ef/i DEF 0: EF
/$b/i\= Expect no match A]CNo match BNo match
/a\(b/i A(B 0: A(B
/a\(*b/i AB 0: AB A((B 0: A((B
/a\\b/i\= Expect no match A\=notbolNo match
/((a))/i ABC 0: A
/(a)b(c)/i ABC 0: ABC
/a+b+c/i AABBABC 0: ABC
/a{1,}b{1,}c/i AABBABC 0: ABC
/a.+?c/i ABCABC 0: ABCABC 1: ABC
/a.*?c/i ABCABC 0: ABCABC 1: ABC
/a.{0,5}?c/i ABCABC 0: ABCABC 1: ABC
/(a+|b)*/i AB 0: AB 1: A 2:
/(a+|b){0,}/i AB 0: AB 1: A 2:
/(a+|b)+/i AB 0: AB 1: A
/(a+|b){1,}/i AB 0: AB 1: A
/(a+|b)?/i AB 0: A 1:
/(a+|b){0,1}/i AB 0: A 1:
/(a+|b){0,1}?/i AB 0: A 1:
/[^ab]*/i CDE 0: CDE
/abc/i
/a*/i
/([abc])*d/i ABBBCD 0: ABBBCD
/([abc])*bcd/i ABCD 0: ABCD
/a|b|c|d|e/i E 0: E
/(a|b|c|d|e)f/i EF 0: EF
/abcd*efg/i ABCDEFG 0: ABCDEFG
/ab*/i XABYABBBZ 0: AB XAYABBBZ 0: A
/(ab|cd)e/i ABCDE 0: CDE
/[abhgefdc]ij/i HIJ 0: HIJ
/^(ab|cd)e/i\= Expect no match ABCDENo match
/(abc|)ef/i ABCDEF 0: EF
/(a|b)c*d/i ABCD 0: BCD
/(ab|ab*)bc/i ABC 0: ABC
/a([bc]*)c*/i ABC 0: ABC 1: A
/a([bc]*)(c*d)/i ABCD 0: ABCD
/a([bc]+)(c*d)/i ABCD 0: ABCD
/a([bc]*)(c+d)/i ABCD 0: ABCD
/a[bcd]*dcdcde/i ADCDCDE 0: ADCDCDE
/a[bcd]+dcdcde/i
/(ab|a)b*c/i ABC 0: ABC
/((a)(b)c)(d)/i ABCD 0: ABCD
/[a-zA-Z_][a-zA-Z0-9_]*/i ALPHA 0: ALPHA
/^a(bc+|b[eh])g|.h$/i ABH 0: BH
/(bc+d$|ef*g.|h?i(j|k))/i EFFGZ 0: EFFGZ IJ 0: IJ REFFGZ 0: EFFGZ\= Expect no match ADCDCDENo match EFFGNo match BCDDNo match
/((((((((((a))))))))))/i A 0: A
/(((((((((a)))))))))/i A 0: A
/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i A 0: A
/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i C 0: C
/multiple words of text/i\= Expect no match AANo match UH-UHNo match
/multiple words/i MULTIPLE WORDS, YEAH 0: MULTIPLE WORDS
/(.*)c(.*)/i ABCDE 0: ABCDE
/\((.*), (.*)\)/i (A, B) 0: (A, B)
/[k]/i
/abcd/i ABCD 0: ABCD
/a(bc)d/i ABCD 0: ABCD
/a[-]?c/i AC 0: AC
/a(?!b)./ abad 0: ad
/a(?=d)./ abad 0: ad
/a(?=c|d)./ abad 0: ad
/a(?:b|c|d)(.)/ ace 0: ace
/a(?:b|c|d)*(.)/ ace 0: ace 1: ac
/a(?:b|c|d)+?(.)/ ace 0: ace acdbcdbe 0: acdbcdbe 1: acdbcdb 2: acdbcd 3: acdbc 4: acdb 5: acd
/a(?:b|c|d)+(.)/ acdbcdbe 0: acdbcdbe 1: acdbcdb 2: acdbcd 3: acdbc 4: acdb 5: acd
/a(?:b|c|d){2}(.)/ acdbcdbe 0: acdb
/a(?:b|c|d){4,5}(.)/ acdbcdbe 0: acdbcdb 1: acdbcd
/a(?:b|c|d){4,5}?(.)/ acdbcdbe 0: acdbcdb 1: acdbcd
/((foo)|(bar))*/ foobar 0: foobar 1: foo 2:
/a(?:b|c|d){6,7}(.)/ acdbcdbe 0: acdbcdbe
/a(?:b|c|d){6,7}?(.)/ acdbcdbe 0: acdbcdbe
/a(?:b|c|d){5,6}(.)/ acdbcdbe 0: acdbcdbe 1: acdbcdb
/a(?:b|c|d){5,6}?(.)/ acdbcdbe 0: acdbcdbe 1: acdbcdb
/a(?:b|c|d){5,7}(.)/ acdbcdbe 0: acdbcdbe 1: acdbcdb
/a(?:b|c|d){5,7}?(.)/ acdbcdbe 0: acdbcdbe 1: acdbcdb
/a(?:b|(c|e){1,2}?|d)+?(.)/ ace 0: ace
/^(.+)?B/ AB 0: AB
/^([^a-z])|(\^)$/ . 0: .
/^[<>]&/ <&OUT 0: <&
/(?:(f)(o)(o)|(b)(a)(r))*/ foobar 0: foobar 1: foo 2:
/(?<=a)b/ ab 0: b\= Expect no match cbNo match bNo match
/(?<!c)b/ ab 0: b b 0: b b 0: b
/(?:..)*a/ aba 0: aba 1: a
/(?:..)*?a/ aba 0: aba 1: a
/^(){3,5}/ abc 0:
/^(a+)*ax/ aax 0: aax
/^((a|b)+)*ax/ aax 0: aax
/^((a|bc)+)*ax/ aax 0: aax
/(a|x)*ab/ cab 0: ab
/(a)*ab/ cab 0: ab
/(?:(?i)a)b/ ab 0: ab
/((?i)a)b/ ab 0: ab
/(?:(?i)a)b/ Ab 0: Ab
/((?i)a)b/ Ab 0: Ab
/(?:(?i)a)b/\= Expect no match cbNo match aBNo match
/((?i)a)b/
/(?i:a)b/ ab 0: ab
/((?i:a))b/ ab 0: ab
/(?i:a)b/ Ab 0: Ab
/((?i:a))b/ Ab 0: Ab
/(?i:a)b/\= Expect no match aBNo match aBNo match
/((?i:a))b/
/(?:(?-i)a)b/i ab 0: ab
/((?-i)a)b/i ab 0: ab
/(?:(?-i)a)b/i aB 0: aB
/((?-i)a)b/i aB 0: aB
/(?:(?-i)a)b/i aB 0: aB\= Expect no match AbNo match
/((?-i)a)b/i
/(?:(?-i)a)b/i aB 0: aB
/((?-i)a)b/i aB 0: aB
/(?:(?-i)a)b/i\= Expect no match AbNo match ABNo match
/((?-i)a)b/i
/(?-i:a)b/i ab 0: ab
/((?-i:a))b/i ab 0: ab
/(?-i:a)b/i aB 0: aB
/((?-i:a))b/i aB 0: aB
/(?-i:a)b/i\= Expect no match ABNo match AbNo match
/((?-i:a))b/i
/(?-i:a)b/i aB 0: aB
/((?-i:a))b/i aB 0: aB
/(?-i:a)b/i\= Expect no match AbNo match ABNo match
/((?-i:a))b/i
/((?-i:a.))b/i\= Expect no match ABNo match a\nBNo match
/((?s-i:a.))b/i a\nB 0: a\x0aB
/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/ cabbbb 0: cabbbb
/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/ caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb 0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
/foo\w*\d{4}baz/ foobar1234baz 0: foobar1234baz
/x(~~)*(?:(?:F)?)?/ x~~ 0: x~~ 1: x
/^a(?#xxx){3}c/ aaac 0: aaac
/^a (?#xxx) (?#yyy) {3}c/x aaac 0: aaac
/(?<![cd])b/\= Expect no match B\nBNo match dbcbNo match
/(?<![cd])[ab]/ dbaacb 0: a
/(?<!(c|d))b/
/(?<!(c|d))[ab]/ dbaacb 0: a
/(?<!cd)[ab]/ cdaccb 0: b
/^(?:a?b?)*$/\= Expect no match dbcbNo match a--No match
/((?s)^a(.))((?m)^b$)/ a\nb\nc\n 0: a\x0ab
/((?m)^b$)/ a\nb\nc\n 0: b
/(?m)^b/ a\nb\n 0: b
/(?m)^(b)/ a\nb\n 0: b
/((?m)^b)/ a\nb\n 0: b
/\n((?m)^b)/ a\nb\n 0: \x0ab
/((?s).)c(?!.)/ a\nb\nc\n 0: \x0ac a\nb\nc\n 0: \x0ac
/((?s)b.)c(?!.)/ a\nb\nc\n 0: b\x0ac a\nb\nc\n 0: b\x0ac
/^b/
/()^b/\= Expect no match a\nb\nc\nNo match a\nb\nc\nNo match
/((?m)^b)/ a\nb\nc\n 0: b
/(?(?!a)a|b)/
/(?(?!a)b|a)/ a 0: a
/(?(?=a)b|a)/\= Expect no match aNo match aNo match
/(?(?=a)a|b)/ a 0: a
/(\w+:)+/ one: 0: one:
/$(?<=^(a))/ a 0:
/([\w:]+::)?(\w+)$/ abcd 0: abcd xy:z:::abcd 0: xy:z:::abcd
/^[^bcd]*(c+)/ aexycd 0: aexyc
/(a*)b+/ caab 0: aab
/([\w:]+::)?(\w+)$/ abcd 0: abcd xy:z:::abcd 0: xy:z:::abcd\= Expect no match abcd:No match abcd:No match
/^[^bcd]*(c+)/ aexycd 0: aexyc
/(>a+)ab/
/(?>a+)b/ aaab 0: aaab
/([[:]+)/ a:[b]: 0: :[
/([[=]+)/ a=[b]= 0: =[
/([[.]+)/ a.[b]. 0: .[
/((?>a+)b)/ aaab 0: aaab
/(?>(a+))b/ aaab 0: aaab
/((?>[^()]+)|\([^()]*\))+/ ((abc(ade)ufh()()x 0: abc(ade)ufh()()x 1: abc(ade)ufh()() 2: abc(ade)ufh() 3: abc(ade)ufh 4: abc(ade) 5: abc
/a\Z/\= Expect no match aaabNo match a\nb\nNo match
/b\Z/ a\nb\n 0: b
/b\z/
/b\Z/ a\nb 0: b
/b\z/ a\nb 0: b /(?>.*)(?<=(abcd|wxyz))/ alphabetabcd 0: alphabetabcd endingwxyz 0: endingwxyz\= Expect no match a rather long string that doesn't end with one of themNo match
/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/ word cat dog elephant mussel cow horse canary baboon snake shark otherword 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword\= Expect no match word cat dog elephant mussel cow horse canary baboon snake sharkNo match /word (?>[a-zA-Z0-9]+ ){0,30}otherword/\= Expect no match word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hopeNo match
/(?<=\d{3}(?!999))foo/ 999foo 0: foo 123999foo 0: foo\= Expect no match 123abcfooNo match /(?<=(?!...999)\d{3})foo/ 999foo 0: foo 123999foo 0: foo\= Expect no match 123abcfooNo match
/(?<=\d{3}(?!999)...)foo/ 123abcfoo 0: foo 123456foo 0: foo\= Expect no match 123999foo No match /(?<=\d{3}...)(?<!999)foo/ 123abcfoo 0: foo 123456foo 0: foo\= Expect no match 123999foo No match
/((Z)+|A)*/ ZABCDEFG 0: ZA 1: Z 2:
/(Z()|A)*/ ZABCDEFG 0: ZA 1: Z 2:
/(Z(())|A)*/ ZABCDEFG 0: ZA 1: Z 2:
/((?>Z)+|A)*/ ZABCDEFG 0: ZA 1: Z 2:
/((?>)+|A)*/ ZABCDEFG 0:
/a*/g abbab 0: a 0: 0: 0: a 0: 0:
/[[:space:]]+/ > \x09\x0a\x0c\x0d\x0b< 0: \x09\x0a\x0c\x0d\x0b /[[:blank:]]+/ > \x09\x0a\x0c\x0d\x0b< 0: \x09 /[\s]+/ > \x09\x0a\x0c\x0d\x0b< 0: \x09\x0a\x0c\x0d\x0b /\s+/ > \x09\x0a\x0c\x0d\x0b< 0: \x09\x0a\x0c\x0d\x0b /a b/x ab 0: ab
/(?!\A)x/m a\nxb\n 0: x
/(?!^)x/m\= Expect no match a\nxb\nNo match
/abc\Qabc\Eabc/ abcabcabc 0: abcabcabc /abc\Q(*+|\Eabc/ abc(*+|abc 0: abc(*+|abc
/ abc\Q abc\Eabc/x abc abcabc 0: abc abcabc\= Expect no match abcabcabc No match /abc#comment \Q#not comment literal\E/x abc#not comment\n literal 0: abc#not comment\x0a literal
/abc#comment \Q#not comment literal/x abc#not comment\n literal 0: abc#not comment\x0a literal
/abc#comment \Q#not comment literal\E #more comment /x abc#not comment\n literal 0: abc#not comment\x0a literal
/abc#comment \Q#not comment literal\E #more comment/x abc#not comment\n literal 0: abc#not comment\x0a literal
/\Qabc\$xyz\E/ abc\\\$xyz 0: abc\$xyz
/\Qabc\E\$\Qxyz\E/ abc\$xyz 0: abc$xyz
/\Gabc/ abc 0: abc\= Expect no match xyzabc No match
/\Gabc./g abc1abc2xyzabc3 0: abc1 0: abc2
/abc./g abc1abc2xyzabc3 0: abc1 0: abc2 0: abc3
/a(?x: b c )d/ XabcdY 0: abcd\= Expect no match Xa b c d Y No match
/((?x)x y z | a b c)/ XabcY 0: abc AxyzB 0: xyz
/(?i)AB(?-i)C/ XabCY 0: abC\= Expect no match XabcY No match
/((?i)AB(?-i)C|D)E/ abCE 0: abCE DE 0: DE\= Expect no match abcENo match abCe No match dENo match De No match
/[z\Qa-d]\E]/ z 0: z a 0: a - 0: - d 0: d ] 0: ]\= Expect no match b No match
/(a+)*b/\= Expect no match aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa No match /(?i)reg(?:ul(?:[a�]|ae)r|ex)/ REGular 0: REGular regulaer 0: regulaer Regex 0: Regex regul�r 0: regul\xe4r
/����[�-��-�]+/ ����� 0: \xc5\xe6\xe5\xe4\xe0 ����� 0: \xc5\xe6\xe5\xe4\xff ����� 0: \xc5\xe6\xe5\xe4\xc0 ����� 0: \xc5\xe6\xe5\xe4\xdf
/(?<=Z)X./ \x84XAZXB 0: XB
/^(?(2)a|(1)(2))+$/ 123aFailed: error -40: backreference condition or recursion test is not supported for DFA matching
/(?<=a|bbbb)c/ ac 0: c bbbbc 0: c
/line\nbreak/ this is a line\nbreak 0: line\x0abreak line one\nthis is a line\nbreak in the second line 0: line\x0abreak
/line\nbreak/firstline this is a line\nbreak 0: line\x0abreak\= Expect no match line one\nthis is a line\nbreak in the second line No match
/line\nbreak/m,firstline this is a line\nbreak 0: line\x0abreak\= Expect no match line one\nthis is a line\nbreak in the second line No match
/1234/ 123\=psPartial match: 123\= Expect no match a4\=ps,dfa_restartNo match
/1234/ 123\=psPartial match: 123 4\=ps,dfa_restart 0: 4
/^/gm a\nb\nc\n 0: 0: 0: \ 0: /(?<=C\n)^/gm A\nC\nC\n 0:
/(?s)A?B/ AB 0: AB aB 0: B
/(?s)A*B/ AB 0: AB aB 0: B
/(?m)A?B/ AB 0: AB aB 0: B
/(?m)A*B/ AB 0: AB aB 0: B
/Content-Type\x3A[^\r\n]{6,}/ Content-Type:xxxxxyyy 0: Content-Type:xxxxxyyy
/Content-Type\x3A[^\r\n]{6,}z/ Content-Type:xxxxxyyyz 0: Content-Type:xxxxxyyyz
/Content-Type\x3A[^a]{6,}/ Content-Type:xxxyyy 0: Content-Type:xxxyyy
/Content-Type\x3A[^a]{6,}z/ Content-Type:xxxyyyz 0: Content-Type:xxxyyyz
/^abc/Im,newline=lfCapture group count = 0Options: multilineForced newline is LFFirst code unit at start or follows newlineLast code unit = 'c'Subject length lower bound = 3 xyz\nabc 0: abc xyz\r\nabc 0: abc\= Expect no match xyz\rabcNo match xyzabc\rNo match xyzabc\rpqrNo match xyzabc\r\nNo match xyzabc\r\npqrNo match
/^abc/Im,newline=crlfCapture group count = 0Options: multilineForced newline is CRLFFirst code unit at start or follows newlineLast code unit = 'c'Subject length lower bound = 3 xyz\r\nabclf> 0: abc\= Expect no match xyz\nabclfNo match xyz\rabclfNo match /^abc/Im,newline=crCapture group count = 0Options: multilineForced newline is CRFirst code unit at start or follows newlineLast code unit = 'c'Subject length lower bound = 3 xyz\rabc 0: abc\= Expect no match xyz\nabcNo match xyz\r\nabcNo match
/.*/I,newline=lfCapture group count = 0May match empty stringForced newline is LFFirst code unit at start or follows newlineSubject length lower bound = 0 abc\ndef 0: abc abc\rdef 0: abc\x0ddef abc\r\ndef 0: abc\x0d
/.*/I,newline=crCapture group count = 0May match empty stringForced newline is CRFirst code unit at start or follows newlineSubject length lower bound = 0 abc\ndef 0: abc\x0adef abc\rdef 0: abc abc\r\ndef 0: abc
/.*/I,newline=crlfCapture group count = 0May match empty stringForced newline is CRLFFirst code unit at start or follows newlineSubject length lower bound = 0 abc\ndef 0: abc\x0adef abc\rdef 0: abc\x0ddef abc\r\ndef 0: abc
/\w+(.)(.)?def/IsCapture group count = 2Options: dotallStarting code units: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z Last code unit = 'f'Subject length lower bound = 5 abc\ndef 0: abc\x0adef abc\rdef 0: abc\x0ddef abc\r\ndef 0: abc\x0d\x0adef
/\w+(.)(.)?def/s abc\ndef 0: abc\x0adef abc\rdef 0: abc\x0ddef abc\r\ndef 0: abc\x0d\x0adef
/^\w+=.*(\\\n.*)*/ abc=xyz\\\npqr 0: abc=xyz\\x0apqr 1: abc=xyz\\x0apq 2: abc=xyz\\x0ap 3: abc=xyz\\x0a 4: abc=xyz\ 5: abc=xyz 6: abc=xy 7: abc=x 8: abc=
/^(a()*)*/ aaaa 0: aaaa 1: aaa 2: aa 3: a 4:
/^(?:a(?:(?:))*)*/ aaaa 0: aaaa 1: aaa 2: aa 3: a 4:
/^(a()+)+/ aaaa 0: aaaa 1: aaa 2: aa 3: a
/^(?:a(?:(?:))+)+/ aaaa 0: aaaa 1: aaa 2: aa 3: a
/(a|)*\d/ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4\= Expect no match aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaNo match
/(?>a|)*\d/ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4\= Expect no match aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaNo match
/(?:a|)*\d/ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4\= Expect no match aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaNo match
/^a.b/newline=lf a\rb 0: a\x0db\= Expect no match a\nbNo match
/^a.b/newline=cr a\nb 0: a\x0ab\= Expect no match a\rbNo match
/^a.b/newline=anycrlf a\x85b 0: a\x85b\= Expect no match a\rbNo match
/^a.b/newline=any\= Expect no match a\nbNo match a\rbNo match a\x85bNo match
/^abc./gmx,newline=any abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 JUNK 0: abc1 0: abc2 0: abc3 0: abc4 0: abc5 0: abc6 0: abc7
/abc.$/gmx,newline=any abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc9 0: abc1 0: abc2 0: abc3 0: abc4 0: abc5 0: abc6 0: abc9
/^a\Rb/bsr=unicode a\nb 0: a\x0ab a\rb 0: a\x0db a\r\nb 0: a\x0d\x0ab a\x0bb 0: a\x0bb a\x0cb 0: a\x0cb a\x85b 0: a\x85b\= Expect no match a\n\rb No match
/^a\R*b/bsr=unicode ab 0: ab a\nb 0: a\x0ab a\rb 0: a\x0db a\r\nb 0: a\x0d\x0ab a\x0bb 0: a\x0bb a\x0cb 0: a\x0cb a\x85b 0: a\x85b a\n\rb 0: a\x0a\x0db a\n\r\x85\x0cb 0: a\x0a\x0d\x85\x0cb
/^a\R+b/bsr=unicode a\nb 0: a\x0ab a\rb 0: a\x0db a\r\nb 0: a\x0d\x0ab a\x0bb 0: a\x0bb a\x0cb 0: a\x0cb a\x85b 0: a\x85b a\n\rb 0: a\x0a\x0db a\n\r\x85\x0cb 0: a\x0a\x0d\x85\x0cb\= Expect no match ab No match /^a\R{1,3}b/bsr=unicode a\nb 0: a\x0ab a\n\rb 0: a\x0a\x0db a\n\r\x85b 0: a\x0a\x0d\x85b a\r\n\r\nb 0: a\x0d\x0a\x0d\x0ab a\r\n\r\n\r\nb 0: a\x0d\x0a\x0d\x0a\x0d\x0ab a\n\r\n\rb 0: a\x0a\x0d\x0a\x0db a\n\n\r\nb 0: a\x0a\x0a\x0d\x0ab\= Expect no match a\n\n\n\rbNo match a\rNo match
/.+foo/ afoo 0: afoo\= Expect no match \r\nfoo No match \nfoo No match
/.+foo/newline=crlf afoo 0: afoo \nfoo 0: \x0afoo\= Expect no match \r\nfoo No match
/.+foo/newline=any afoo 0: afoo\= Expect no match \nfoo No match \r\nfoo No match
/.+foo/s afoo 0: afoo \r\nfoo 0: \x0d\x0afoo \nfoo 0: \x0afoo
/^$/gm,newline=any abc\r\rxyz 0: abc\n\rxyz 0: \= Expect no match abc\r\nxyzNo match
/^X/m XABC 0: X\= Expect no match XABC\=notbolNo match
/(?m)^$/g,newline=any,aftertext abc\r\n\r\n 0: 0+ \x0d\x0a
/(?m)^$|^\r\n/g,newline=any,aftertext abc\r\n\r\n 0: \x0d\x0a 0+ 1: /(?m)$/g,newline=any,aftertext abc\r\n\r\n 0: 0+ \x0d\x0a\x0d\x0a 0: 0+ \x0d\x0a 0: 0+
/(?|(abc)|(xyz))/ >abc< 0: abc >xyz< 0: xyz
/(x)(?|(abc)|(xyz))(x)/ xabcx 0: xabcx xxyzx 0: xxyzx
/(x)(?|(abc)(pqr)|(xyz))(x)/ xabcpqrx 0: xabcpqrx xxyzx 0: xxyzx
/(?|(abc)|(xyz))(?1)/ abcabc 0: abcabc xyzabc 0: xyzabc\= Expect no match xyzxyz No match /\H\h\V\v/ X X\x0a 0: X X\x0a X\x09X\x0b 0: X\x09X\x0b\= Expect no match \xa0 X\x0a No match /\H*\h+\V?\v{3,4}/ \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a 0: \x09 \xa0X\x0a\x0b\x0c\x0d \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a 0: \x09 \xa0\x0a\x0b\x0c\x0d \x09\x20\xa0\x0a\x0b\x0c 0: \x09 \xa0\x0a\x0b\x0c\= Expect no match \x09\x20\xa0\x0a\x0bNo match /\H{3,4}/ XY ABCDE 0: ABCD XY PQR ST 0: PQR /.\h{3,4}./ XY AB PQRS 0: B P 1: B
/\h*X\h?\H+Y\H?Z/ >XNNNYZ 0: XNNNYZ > X NYQZ 0: X NYQZ\= Expect no match >XYZ No match > X NY ZNo match
/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/ >XY\x0aZ\x0aA\x0bNN\x0c 0: XY\x0aZ\x0aA\x0bNN\x0c >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c 0: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
/.+A/newline=crlf\= Expect no match \r\nANo match /\nA/newline=crlf \r\nA 0: \x0aA
/[\r\n]A/newline=crlf \r\nA 0: \x0aA
/(\r|\n)A/newline=crlf \r\nA 0: \x0aA
/a\Rb/I,bsr=anycrlfCapture group count = 0\R matches CR, LF, or CRLFFirst code unit = 'a'Last code unit = 'b'Subject length lower bound = 3 a\rb 0: a\x0db a\nb 0: a\x0ab a\r\nb 0: a\x0d\x0ab\= Expect no match a\x85bNo match a\x0bb No match
/a\Rb/I,bsr=unicodeCapture group count = 0\R matches any Unicode newlineFirst code unit = 'a'Last code unit = 'b'Subject length lower bound = 3 a\rb 0: a\x0db a\nb 0: a\x0ab a\r\nb 0: a\x0d\x0ab a\x85b 0: a\x85b a\x0bb 0: a\x0bb /a\R?b/I,bsr=anycrlfCapture group count = 0\R matches CR, LF, or CRLFFirst code unit = 'a'Last code unit = 'b'Subject length lower bound = 2 a\rb 0: a\x0db a\nb 0: a\x0ab a\r\nb 0: a\x0d\x0ab\= Expect no match a\x85bNo match a\x0bb No match
/a\R?b/I,bsr=unicodeCapture group count = 0\R matches any Unicode newlineFirst code unit = 'a'Last code unit = 'b'Subject length lower bound = 2 a\rb 0: a\x0db a\nb 0: a\x0ab a\r\nb 0: a\x0d\x0ab a\x85b 0: a\x85b a\x0bb 0: a\x0bb /a\R{2,4}b/I,bsr=anycrlfCapture group count = 0\R matches CR, LF, or CRLFFirst code unit = 'a'Last code unit = 'b'Subject length lower bound = 4 a\r\n\nb 0: a\x0d\x0a\x0ab a\n\r\rb 0: a\x0a\x0d\x0db a\r\n\r\n\r\n\r\nb 0: a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0ab\= Expect no match a\x0b\x0bb No match a\x85\x85bNo match
/a\R{2,4}b/I,bsr=unicodeCapture group count = 0\R matches any Unicode newlineFirst code unit = 'a'Last code unit = 'b'Subject length lower bound = 4 a\r\rb 0: a\x0d\x0db a\n\n\nb 0: a\x0a\x0a\x0ab a\r\n\n\r\rb 0: a\x0d\x0a\x0a\x0d\x0db a\x85\x85b 0: a\x85\x85b a\x0b\x0bb 0: a\x0b\x0bb\= Expect no match a\r\r\r\r\rb No match /a(?!)|\wbc/ abc 0: abc
/a[]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames\= Expect no match abNo match
/a[]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames\= Expect no match ab No match
/a[]*+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames\= Expect no match ab No match
/a[^]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames aXb 0: aXb a\nb 0: a\x0ab\= Expect no match ab No match /a[^]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames aXb 0: aXb a\nX\nXb 0: a\x0aX\x0aXb\= Expect no match ab No match
/X$/dollar_endonly X 0: X\= Expect no match X\n No match
/X$/ X 0: X X\n 0: X
/xyz/auto_callout xyz --->xyz +0 ^ x +1 ^^ y +2 ^ ^ z +3 ^ ^ End of pattern 0: xyz abcxyz --->abcxyz +0 ^ x +1 ^^ y +2 ^ ^ z +3 ^ ^ End of pattern 0: xyz\= Expect no match abcNo match abcxypqr No match
/xyz/auto_callout,no_start_optimize abcxyz --->abcxyz +0 ^ x +0 ^ x +0 ^ x +0 ^ x +1 ^^ y +2 ^ ^ z +3 ^ ^ End of pattern 0: xyz\= Expect no match abc--->abc +0 ^ x +0 ^ x +0 ^ x +0 ^ xNo match abcxypqr --->abcxypqr +0 ^ x +0 ^ x +0 ^ x +0 ^ x +1 ^^ y +2 ^ ^ z +0 ^ x +0 ^ x +0 ^ x +0 ^ x +0 ^ xNo match
/(*NO_START_OPT)xyz/auto_callout abcxyz --->abcxyz+15 ^ x+15 ^ x+15 ^ x+15 ^ x+16 ^^ y+17 ^ ^ z+18 ^ ^ End of pattern 0: xyz /(?C)ab/ ab--->ab 0 ^ a 0: ab ab\=callout_none 0: ab /ab/auto_callout ab--->ab +0 ^ a +1 ^^ b +2 ^ ^ End of pattern 0: ab ab\=callout_none 0: ab
/^"((?(?=[a])[^"])|b)*"$/auto_callout "ab"--->"ab" +0 ^ ^ +1 ^ " +2 ^^ (+21 ^^ " +3 ^^ (?+18 ^^ b +5 ^^ (?= +8 ^ [a]+11 ^^ )+12 ^^ [^"]+16 ^ ^ )+17 ^ ^ |+21 ^ ^ " +3 ^ ^ (?+18 ^ ^ b +5 ^ ^ (?= +8 ^ [a]+19 ^ ^ )*+21 ^ ^ " +3 ^ ^ (?+18 ^ ^ b +5 ^ ^ (?= +8 ^ [a]+17 ^ ^ |+22 ^ ^ $+23 ^ ^ End of pattern 0: "ab" "ab"\=callout_none 0: "ab"
/\d+X|9+Y/ ++++123999\=psPartial match: 123999 ++++123999Y\=ps 0: 999Y
/Z(*F)/\= Expect no match Z\=psNo match ZA\=psNo match /Z(?!)/\= Expect no match Z\=psNo match ZA\=psNo match
/dog(sbody)?/ dogs\=ps 0: dog dogs\=phPartial match: dogs /dog(sbody)??/ dogs\=ps 0: dog dogs\=phPartial match: dogs
/dog|dogsbody/ dogs\=ps 0: dog dogs\=phPartial match: dogs /dogsbody|dog/ dogs\=ps 0: dog dogs\=phPartial match: dogs
/Z(*F)Q|ZXY/ Z\=psPartial match: Z\= Expect no match ZA\=psNo match X\=psNo match
/\bthe cat\b/ the cat\=ps 0: the cat the cat\=phPartial match: the cat
/dog(sbody)?/ dogs\=ps 0: dog body\=dfa_restart 0: body
/dog(sbody)?/ dogs\=phPartial match: dogs body\=dfa_restart 0: body
/abc/ abc\=ps 0: abc abc\=ph 0: abc
/abc\K123/ xyzabc123pqrFailed: error -42: pattern contains an item that is not supported for DFA matching /(?<=abc)123/allusedtext xyzabc123pqr 0: abc123 <<< xyzabc12\=psPartial match: abc12 <<< xyzabc12\=phPartial match: abc12 <<<
/\babc\b/allusedtext +++abc+++ 0: +abc+ < > +++ab\=psPartial match: +ab < +++ab\=phPartial match: +ab <
/(?=C)/g,aftertext ABCDECBA 0: 0+ CDECBA 0: 0+ CBA
/(abc|def|xyz)/ICapture group count = 1Starting code units: a d x Subject length lower bound = 3 terhjk;abcdaadsfe 0: abc the quick xyz brown fox 0: xyz\= Expect no match thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupdNo match
/(abc|def|xyz)/I,no_start_optimizeCapture group count = 1Options: no_start_optimize terhjk;abcdaadsfe 0: abc the quick xyz brown fox 0: xyz\= Expect no match thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupdNo match
/abcd*/aftertext xxxxabcd\=ps 0: abcd 0+ xxxxabcd\=phPartial match: abcd dddxxx\=dfa_restart 0: ddd 0+ xxx xxxxabcd\=phPartial match: abcd xxx\=dfa_restart 0: 0+ xxx
/abcd*/i xxxxabcd\=ps 0: abcd xxxxabcd\=phPartial match: abcd XXXXABCD\=ps 0: ABCD XXXXABCD\=phPartial match: ABCD
/abc\d*/ xxxxabc1\=ps 0: abc1 xxxxabc1\=phPartial match: abc1
/abc[de]*/ xxxxabcde\=ps 0: abcde xxxxabcde\=phPartial match: abcde
/(?:(?1)|B)(A(*F)|C)/ ABCD 0: BC CCD 0: CC\= Expect no match CAD No match
/^(?:(?1)|B)(A(*F)|C)/ CCD 0: CC BCD 0: BC\= Expect no match ABCDNo match CADNo match BAD No match
/^(?!a(*SKIP)b)/ acFailed: error -42: pattern contains an item that is not supported for DFA matching /^(?=a(*SKIP)b|ac)/ acFailed: error -42: pattern contains an item that is not supported for DFA matching /^(?=a(*THEN)b|ac)/ acFailed: error -42: pattern contains an item that is not supported for DFA matching /^(?=a(*PRUNE)b)/ ab Failed: error -42: pattern contains an item that is not supported for DFA matching
/^(?(?!a(*SKIP)b))/ acFailed: error -42: pattern contains an item that is not supported for DFA matching
/(?<=abc)def/allusedtext abc\=phPartial match: abc <<<
/abc$/ abc 0: abc abc\=ps 0: abc abc\=phPartial match: abc
/abc$/m abc 0: abc abc\n 0: abc abc\=phPartial match: abc abc\n\=ph 0: abc abc\=ps 0: abc abc\n\=ps 0: abc
/abc\z/ abc 0: abc abc\=ps 0: abc abc\=phPartial match: abc
/abc\Z/ abc 0: abc abc\=ps 0: abc abc\=phPartial match: abc
/abc\b/ abc 0: abc abc\=ps 0: abc abc\=phPartial match: abc
/abc\B/ abc\=psPartial match: abc abc\=phPartial match: abc\= Expect no match abcNo match
/.+/ abc\=offset=0 0: abc abc\=offset=1 0: bc abc\=offset=2 0: c\= Bad offsets abc\=offset=4Failed: error -33: bad offset value abc\=offset=-4 ** Invalid value in 'offset=-4'\= Expect no match abc\=offset=3No match
/^(?:a)++\w/ aaaab 0: aaaab\= Expect no match aaaa No match bbb No match
/^(?:aa|(?:a)++\w)/ aaaab 0: aaaab 1: aa aaaa 0: aa\= Expect no match bbb No match
/^(?:a)*+\w/ aaaab 0: aaaab bbb 0: b\= Expect no match aaaa No match
/^(a)++\w/ aaaab 0: aaaab\= Expect no match aaaa No match bbb No match
/^(a|)++\w/ aaaab 0: aaaab\= Expect no match aaaa No match bbb No match
/(?=abc){3}abc/aftertext abcabcabc 0: abc 0+ abcabc\= Expect no match xyz No match /(?=abc)+abc/aftertext abcabcabc 0: abc 0+ abcabc\= Expect no match xyz No match /(?=abc)++abc/aftertext abcabcabc 0: abc 0+ abcabc\= Expect no match xyz No match /(?=abc){0}xyz/ xyz 0: xyz
/(?=abc){1}xyz/\= Expect no match xyz No match /(?=(a))?./ ab 0: a bc 0: b /(?=(a))??./ ab 0: a bc 0: b
/^(?=(a)){0}b(?1)/ backgammon 0: ba
/^(?=(?1))?[az]([abc])d/ abd 0: abd zcdxx 0: zcd
/^(?!a){0}\w+/ aaaaa 0: aaaaa
/(?<=(abc))?xyz/ abcxyz 0: xyz pqrxyz 0: xyz
/((?2))((?1))/ abcFailed: error -52: nested recursion at the same subject position
/(?(R)a+|(?R)b)/ aaaabcde 0: aaaab
/(?(R)a+|((?R))b)/ aaaabcde 0: aaaab
/((?(R)a+|(?1)b))/ aaaabcde 0: aaaab
/((?(R2)a+|(?1)b))()/ aaaabcdeFailed: error -40: backreference condition or recursion test is not supported for DFA matching
/(?(R)a*(?1)|((?R))b)/ aaaabcdeFailed: error -52: nested recursion at the same subject position
/(a+)/no_auto_possess aaaa\=ovector=3Matched, but offsets vector is too small to show all matches 0: aaaa 1: aaa 2: aa aaaa\=ovector=4 0: aaaa 1: aaa 2: aa 3: a
/^\R/ \r\=ps 0: \x0d \r\=phPartial match: \x0d /^\R{2,3}x/ \r\=psPartial match: \x0d \r\=phPartial match: \x0d \r\r\=psPartial match: \x0d\x0d \r\r\=phPartial match: \x0d\x0d \r\r\r\=psPartial match: \x0d\x0d\x0d \r\r\r\=phPartial match: \x0d\x0d\x0d \r\rx 0: \x0d\x0dx \r\r\rx 0: \x0d\x0d\x0dx
/^\R{2,3}?x/ \r\=psPartial match: \x0d \r\=phPartial match: \x0d \r\r\=psPartial match: \x0d\x0d \r\r\=phPartial match: \x0d\x0d \r\r\r\=psPartial match: \x0d\x0d\x0d \r\r\r\=phPartial match: \x0d\x0d\x0d \r\rx 0: \x0d\x0dx \r\r\rx 0: \x0d\x0d\x0dx /^\R?x/ \r\=psPartial match: \x0d \r\=phPartial match: \x0d x 0: x \rx 0: \x0dx
/^\R+x/ \r\=psPartial match: \x0d \r\=phPartial match: \x0d \r\n\=psPartial match: \x0d\x0a \r\n\=phPartial match: \x0d\x0a \rx 0: \x0dx
/^a$/newline=crlf a\r\=psPartial match: a\x0d a\r\=phPartial match: a\x0d
/^a$/m,newline=crlf a\r\=psPartial match: a\x0d a\r\=phPartial match: a\x0d
/^(a$|a\r)/newline=crlf a\r\=ps 0: a\x0d a\r\=phPartial match: a\x0d
/^(a$|a\r)/m,newline=crlf a\r\=ps 0: a\x0d a\r\=phPartial match: a\x0d
/./newline=crlf \r\=ps 0: \x0d \r\=phPartial match: \x0d /.{2,3}/newline=crlf \r\=psPartial match: \x0d \r\=phPartial match: \x0d \r\r\=ps 0: \x0d\x0d \r\r\=phPartial match: \x0d\x0d \r\r\r\=ps 0: \x0d\x0d\x0d \r\r\r\=phPartial match: \x0d\x0d\x0d
/.{2,3}?/newline=crlf \r\=psPartial match: \x0d \r\=phPartial match: \x0d \r\r\=ps 0: \x0d\x0d \r\r\=phPartial match: \x0d\x0d \r\r\r\=ps 0: \x0d\x0d\x0d 1: \x0d\x0d \r\r\r\=phPartial match: \x0d\x0d\x0d
# Test simple validity check for restarts
/abcdef/ abc\=dfa_restartFailed: error -38: invalid data in workspace for DFA restart
/<H((?(?!<H|F>)(.)|(?R))++)*F>/ text <H more text <H texting more hexA0-"\xA0" hex above 7F-"\xBC" F> text xxxxx <H text F> text F> text2 <H text sample F> more text. 0: <H more text <H texting more hexA0-"\xa0" hex above 7F-"\xbc" F> text xxxxx <H text F> text F>
/^(?>.{4})abc|^\w\w.xabcd/ xxxxabcd 0: xxxxabcd 1: xxxxabc xx\xa0xabcd 0: xx\xa0xabcd 1: xx\xa0xabc
/^(.{4}){2}+abc|^\w\w.x\w\w\w\wabcd/ xxxxxxxxabcd 0: xxxxxxxxabcd 1: xxxxxxxxabc xx\xa0xxxxxabcd 0: xx\xa0xxxxxabcd 1: xx\xa0xxxxxabc
/abcd/ abcd\=ovector=0 0: abcd
# These tests show up auto-possessification
/[ab]*/ aaaa 0: aaaa /[ab]*?/ aaaa 0: aaaa 1: aaa 2: aa 3: a 4: /[ab]?/ aaaa 0: a /[ab]??/ aaaa 0: a 1: /[ab]+/ aaaa 0: aaaa /[ab]+?/ aaaa 0: aaaa 1: aaa 2: aa 3: a /[ab]{2,3}/ aaaa 0: aaa /[ab]{2,3}?/ aaaa 0: aaa 1: aa /[ab]{2,}/ aaaa 0: aaaa
/[ab]{2,}?/ aaaa 0: aaaa 1: aaa 2: aa
'\A(?:[^\"]++|\"(?:[^\"]*+|\"\")*+\")++' NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 0: NON QUOTED "QUOT""ED" AFTER
'\A(?:[^\"]++|\"(?:[^\"]++|\"\")*+\")++' NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 0: NON QUOTED "QUOT""ED" AFTER
/abc(?=xyz)/allusedtext abcxyzpqr 0: abcxyz >>> abcxyzpqr\=aftertext 0: abcxyz >>> 0+ xyzpqr /(?<=pqr)abc(?=xyz)/allusedtext xyzpqrabcxyzpqr 0: pqrabcxyz <<< >>> xyzpqrabcxyzpqr\=aftertext 0: pqrabcxyz <<< >>> 0+ xyzpqr /a\b/ a.\=allusedtext 0: a. > a\=allusedtext 0: a
/abc(?=abcde)(?=ab)/allusedtext abcabcdefg 0: abcabcde >>>>>
/a*?b*?/ ab 0: ab 1: a 2:
/(*NOTEMPTY)a*?b*?/ ab 0: ab 1: a ba 0: b cb 0: b
/(*NOTEMPTY_ATSTART)a*?b*?/aftertext ab 0: ab 0+ 1: a cdab 0: 0+ dab
/(a)(b)|(c)/ XcX\=ovector=2,get=1,get=2,get=3,get=4,getall 0: cGet substring 1 failed (-55): requested value is not setGet substring 2 failed (-54): requested value is not availableGet substring 3 failed (-54): requested value is not availableGet substring 4 failed (-54): requested value is not available 0L c
/(?<A>aa)/ aa\=get=A 0: aaGet substring 'A' failed (-41): function is not supported for DFA matching aa\=copy=A 0: aaCopy substring 'A' failed (-41): function is not supported for DFA matching
/a+/no_auto_possess a\=ovector=2,get=1,get=2,getall 0: aGet substring 1 failed (-55): requested value is not setGet substring 2 failed (-54): requested value is not available 0L a aaa\=ovector=2,get=1,get=2,getallMatched, but offsets vector is too small to show all matches 0: aaa 1: aa 1G aa (2)Get substring 2 failed (-54): requested value is not available 0L aaa 1L aa
/a(b)c(d)/ abc\=ph,copy=0,copy=1,getallPartial match: abc 0C abc (3)Copy substring 1 failed (-2): partial matchget substring list failed (-2): partial match
/ab(?C" any text with spaces ")cde/B------------------------------------------------------------------ Bra ab CalloutStr " any text with spaces " 6 30 1 cde Ket End------------------------------------------------------------------ abcdeCallout (6): " any text with spaces "--->abcde ^ ^ c 0: abcde 12abcdeCallout (6): " any text with spaces "--->12abcde ^ ^ c 0: abcde
/^a(b)c(?C1)def/ abcdef--->abcdef 1 ^ ^ d 0: abcdef
/^a(b)c(?C"AB")def/ abcdefCallout (10): "AB"--->abcdef ^ ^ d 0: abcdef
/^a(b)c(?C1)def/ abcdef\=callout_captureCallout 1: last capture = 0--->abcdef ^ ^ d 0: abcdef
/^a(b)c(?C{AB})def/B------------------------------------------------------------------ Bra ^ a CBra 1 b Ket c CalloutStr {AB} 10 14 1 def Ket End------------------------------------------------------------------ abcdef\=callout_captureCallout (10): {AB} last capture = 0--->abcdef ^ ^ d 0: abcdef
/^(?(?C25)(?=abc)abcd|xyz)/B------------------------------------------------------------------ Bra ^ Cond Callout 25 9 3 Assert abc Ket abcd Alt xyz Ket Ket End------------------------------------------------------------------ abcdefg--->abcdefg 25 ^ (?= 0: abcd xyz123 --->xyz123 25 ^ (?= 0: xyz
/^(?(?C$abc$)(?=abc)abcd|xyz)/B------------------------------------------------------------------ Bra ^ Cond CalloutStr $abc$ 7 12 3 Assert abc Ket abcd Alt xyz Ket Ket End------------------------------------------------------------------ abcdefgCallout (7): $abc$--->abcdefg ^ (?= 0: abcd xyz123 Callout (7): $abc$--->xyz123 ^ (?= 0: xyz
/^ab(?C'first')cd(?C"second")ef/ abcdefgCallout (7): 'first'--->abcdefg ^ ^ cCallout (20): "second"--->abcdefg ^ ^ e 0: abcdef
/(?:a(?C`code`)){3}X/ aaaXYCallout (8): `code`--->aaaXY ^^ ){3}Callout (8): `code`--->aaaXY ^ ^ ){3}Callout (8): `code`--->aaaXY ^ ^ ){3} 0: aaaX
# Binary zero in callout string/"a(?C'x" 00 "z')b"/hex abcdefghCallout (5): 'x\x00z'--->abcdefgh ^^ b 0: ab
/(?(?!)a|b)/ bbb 0: b\= Expect no match aaa No match
/^/gm \n\n\n 0: 0: 0:
/^/gm,alt_circumflex \n\n\n 0: 0: 0: 0:
/abc/use_offset_limit 1234abcde\=offset_limit=100 0: abc 1234abcde\=offset_limit=9 0: abc 1234abcde\=offset_limit=4 0: abc 1234abcde\=offset_limit=4,offset=4 0: abc\= Expect no match 1234abcde\=offset_limit=4,offset=5No match 1234abcde\=offset_limit=3No match
/(?<=abc)/use_offset_limit 1234abc\=offset_limit=7 0: \= Expect no match 1234abc\=offset_limit=6No match
/abcd/null_context abcd\=null_context 0: abcd
/()()a+/no_auto_possess aaa\=allcaptures** Ignored for DFA matching: allcaptures 0: aaa 1: aa 2: a a\=allcaptures** Ignored for DFA matching: allcaptures 0: a
/(*LIMIT_DEPTH=100)^((.)(?1)|.)$/\= Expect depth limit exceeded a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]Failed: error -53: matching depth limit exceeded
/(*LIMIT_HEAP=0)^((.)(?1)|.)$/\= Expect heap limit exceeded a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]Failed: error -63: heap limit exceeded
/(*LIMIT_HEAP=50000)^((.)(?1)|.)$/\= Expect success a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00] 0: a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
/(02-)?[0-9]{3}-[0-9]{3}/ 02-123-123 0: 02-123-123
/^(a(?2))(b)(?1)/ abbab\=find_limits Minimum heap limit = 0Minimum match limit = 4Minimum depth limit = 2 0: abbab
/abc/endanchored xyzabc 0: abc\= Expect no match xyzabcdefNo match\= Expect error xyzabc\=phFailed: error -34: bad option value
/abc/ xyzabc\=endanchored 0: abc\= Expect no match xyzabcdef\=endanchoredNo match\= Expect error xyzabc\=ps,endanchoredFailed: error -34: bad option value
/abc|bcd/endanchored xyzabcd 0: bcd\= Expect no match xyzabcdefNo match
/(*NUL)^.*/ a\nb\x00ccc 0: a\x0ab /(*NUL)^.*/s a\nb\x00ccc 0: a\x0ab\x00ccc /^x/m,newline=nul ab\x00xy 0: x /'#comment' 0d 0a 00 '^x\' 0a 'y'/x,newline=nul,hex x\nyz 0: x\x0ay /(*NUL)^X\NY/ X\nY 0: X\x0aY X\rY 0: X\x0dY\= Expect no match X\x00Y No match
/(?<=abc|)/ abcde\=aftertext 0: 0+ abcde /(?<=|abc)/ abcde\=aftertext 0: 0+ abcde
/(?<=abc|)/endanchored abcde\=aftertext 0: 0+ /(?<=|abc)/endanchored abcde\=aftertext 0: 0+
/(*LIMIT_MATCH=100).*(?![|H]?.*(?![|H]?););.*(?![|H]?.*(?![|H]?););\x00\x00\x00\x00\x00\x00\x00(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?![|);)?.*(![|H]?);)?.*(?![|H]?);)?.*(?![|H]?);)?.*(?![|H]););![|H]?););[|H]?);|H]?);)\x00\x00\x00 \x00\x00\x00H]?););?![|H]?);)?.*(?![|H]?););[||H]?);)?.*(?![|H]?););[|H]?);(?![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););;[\x00\x00\x00\x00\x00\x00\x00![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););/no_dotstar_anchor\= Expect limit exceeded.*(?![|H]?.*(?![|H]?););.*(?![|H]?.*(?![|H]?););\x00\x00\x00\x00\x00\x00\x00(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?![|);)?.*(![|H]?);)?.*(?![|H]?);)?.*(?![|H]?);)?.*(?![|H]););![|H]?););[|H]?);|H]?);)\x00\x00\x00 \x00\x00\x00H]?););?![|H]?);)?.*(?![|H]?););[||H]?);)?.*(?![|H]?););[|H]?);(?![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););;[\x00\x00\x00\x00\x00\x00\x00![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););Failed: error -47: match limit exceeded
/\n/firstline xyz\nabc 0: \x0a
/\nabc/firstline xyz\nabc 0: \x0aabc
/\x{0a}abc/firstline,newline=crlf\= Expect no match xyz\r\nabcNo match
/[abc]/firstline\= Expect no match \naNo match /foobar/ the foobar thing\=copy_matched_subject 0: foobar the foobar thing\=copy_matched_subject,zero_terminate 0: foobar
/foobar/g the foobar thing foobar again\=copy_matched_subject 0: foobar 0: foobar
/(?(VERSION>=0)^B0W)/ B0W-W0W 0: B0W\= Expect no match 0No match
/(?(VERSION>=1000)^B0W|W0W)/ B0W-W0W 0: W0W\= Expect no match 0No match
/(?<=pqr)abc(?=xyz)/ 123pqrabcxy\=ps,allusedtextPartial match: pqrabcxy <<< 123pqrabcxyz\=ps,allusedtext 0: pqrabcxyz <<< >>>
/(?>a+b)/ aaaa\=psPartial match: aaaa aaaab\=ps 0: aaaab /(abc)(?1)/ abca\=psPartial match: abca abcabc\=ps 0: abcabc
/(?(?=abc).*|Z)/ ab\=psPartial match: ab abcxyz\=ps 0: abcxyz
/(abc)++x/ abcab\=psPartial match: abcab abc\=ps Partial match: abc ab\=psPartial match: ab abcx 0: abcx
/\z/ abc\=ph Partial match: abc\=ps 0: /\Z/ abc\=ph Partial match: abc\=ps 0: abc\n\=phPartial match: \x0a abc\n\=ps 0:
/c*+(?<=[bc])/ abc\=phPartial match: c ab\=phPartial match: abc\=ps 0: c ab\=ps 0:
/c++(?<=[bc])/ abc\=phPartial match: c ab\=phPartial match:
/(?<=(?=.(?<=x)))/ abx 0: ab\=phPartial match: bxyz 0: xyz 0:
/(?![ab]).*/ ab\=phPartial match:
/c*+/ ab\=ph,offset=2Partial match:
//anchored, firstline \x0a 0: \x0a
//anchored,firstline,no_start_optimize \x0a 0: \x0a
//firstline \x0a 0: \x0a abc\x0adef 0: \x0a
/|a(?0)/endanchored aaaa 0: aaaa 1: aaa 2: aa 3: a 4:
# End of testinput6
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