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revision 22 by nigel, Sat Feb 24 21:38:37 2007 UTC revision 23 by nigel, Sat Feb 24 21:38:41 2007 UTC
# Line 1  Line 1 
1  Testing Perl-Compatible Regular Expressions  PCRE version 2.00 24-Sep-1998
 PCRE version 1.09 28-Apr-1998  
2    
3  /(a)b|/  /(a)b|/
4  Identifying subpattern count = 1  Identifying subpattern count = 1
5  No options  No options
6  No first char  No first char
7    
 /(a*)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 4  
   
 /(abc|)+/  
 Failed: operand of unlimited repeat could match the empty string at offset 6  
   
8  /abc/  /abc/
9  Identifying subpattern count = 0  Identifying subpattern count = 0
10  No options  No options
# Line 22  First char = 'a' Line 15  First char = 'a'
15   0: abc   0: abc
16      \Aabc      \Aabc
17   0: abc   0: abc
     \IABC  
  0: ABC  
18      *** Failers      *** Failers
19  No match  No match
20      \Adefabc      \Adefabc
# Line 72  Options: anchored Line 63  Options: anchored
63  No first char  No first char
64      abc      abc
65   0: abc   0: abc
     \Mdef\nabc  
  0: abc  
66      *** Failers      *** Failers
67  No match  No match
68      def\nabc      def\nabc
# Line 157  Starting character set: C D E c d e Line 146  Starting character set: C D E c d e
146      this sentences rambles on and on for a while to elephant ElePhant      this sentences rambles on and on for a while to elephant ElePhant
147   0: elephant   0: elephant
148    
 /cat|dog|elephant/IS  
 Identifying subpattern count = 0  
 No options  
 No first char  
 Starting character set: C D E c d e  
     this sentence eventually mentions a CAT cat  
  0: cat  
     this sentences rambles on and on for a while to elephant ElePhant  
  0: elephant  
   
 /cat|dog|elephant/IS  
 Identifying subpattern count = 0  
 No options  
 No first char  
 Starting character set: C D E c d e  
     \Ithis sentence eventually mentions a CAT cat  
  0: CAT  
     \Ithis sentences rambles on and on for a while to elephant ElePhant  
  0: elephant  
   
149  /a|[bcd]/S  /a|[bcd]/S
150  Identifying subpattern count = 0  Identifying subpattern count = 0
151  No options  No options
# Line 209  No first char Line 178  No first char
178  Starting character set: \x09 \x0a \x0b \x0c \x0d \x20 a b  Starting character set: \x09 \x0a \x0b \x0c \x0d \x20 a b
179    
180  /(ab\2)/  /(ab\2)/
181  Failed: back reference to non-existent subpattern at offset 4  Failed: back reference to non-existent subpattern at offset 6
182    
183  /{4,5}abc/  /{4,5}abc/
184  Failed: nothing to repeat at offset 4  Failed: nothing to repeat at offset 4
# Line 225  First char = 'a' Line 194  First char = 'a'
194   3: c   3: c
195      \O0abcb      \O0abcb
196  Matched, but too many substrings  Matched, but too many substrings
197      \O2abcb      \O3abcb
198  Matched, but too many substrings  Matched, but too many substrings
199   0: abcb   0: abcb
200      \O4abcb      \O6abcb
201  Matched, but too many substrings  Matched, but too many substrings
202   0: abcb   0: abcb
203   1: a   1: a
204      \O6abcb      \O9abcb
205  Matched, but too many substrings  Matched, but too many substrings
206   0: abcb   0: abcb
207   1: a   1: a
208   2: b   2: b
209      \O8abcb      \O12abcb
210   0: abcb   0: abcb
211   1: a   1: a
212   2: b   2: b
# Line 252  First char = 'a' Line 221  First char = 'a'
221   1: a   1: a
222      \O0abc      \O0abc
223  Matched, but too many substrings  Matched, but too many substrings
224      \O2abc      \O3abc
225  Matched, but too many substrings  Matched, but too many substrings
226   0: abc   0: abc
227      \O4abc      \O6abc
228   0: abc   0: abc
229   1: a   1: a
230      aba      aba
# Line 265  Matched, but too many substrings Line 234  Matched, but too many substrings
234   3: b   3: b
235      \O0aba      \O0aba
236  Matched, but too many substrings  Matched, but too many substrings
237      \O2aba      \O3aba
238  Matched, but too many substrings  Matched, but too many substrings
239   0: aba   0: aba
240      \O4aba      \O6aba
241  Matched, but too many substrings  Matched, but too many substrings
242   0: aba   0: aba
243   1: <unset>   1: <unset>
244      \O6aba      \O9aba
245  Matched, but too many substrings  Matched, but too many substrings
246   0: aba   0: aba
247   1: <unset>   1: <unset>
248   2: a   2: a
249      \O8aba      \O12aba
250   0: aba   0: aba
251   1: <unset>   1: <unset>
252   2: a   2: a
253   3: b   3: b
254    
 /^a.b/  
 Identifying subpattern count = 0  
 Options: anchored  
 No first char  
     \Sa\nb  
  0: a\x0ab  
   
255  /abc$/E  /abc$/E
256  Identifying subpattern count = 0  Identifying subpattern count = 0
257  Options: dollar_endonly  Options: dollar_endonly
# Line 303  No match Line 265  No match
265      abc\ndef      abc\ndef
266  No match  No match
267    
 /abc$/  
 Identifying subpattern count = 0  
 No options  
 First char = 'a'  
     *** Failers  
 No match  
     \Eabc\n  
 No match  
     \Eabc\ndef  
 No match  
   
 /abc$/m  
 Identifying subpattern count = 0  
 Options: multiline  
 First char = 'a'  
     \Eabc\n  
  0: abc  
     \Eabc\ndef  
  0: abc  
   
268  /(a)(b)(c)(d)(e)\6/  /(a)(b)(c)(d)(e)\6/
269  Failed: back reference to non-existent subpattern at offset 16  Failed: back reference to non-existent subpattern at offset 17
270    
271  /the quick brown fox/  /the quick brown fox/
272  Identifying subpattern count = 0  Identifying subpattern count = 0
# Line 349  No match Line 291  No match
291  /ab(?z)cd/  /ab(?z)cd/
292  Failed: unrecognized character after (? at offset 4  Failed: unrecognized character after (? at offset 4
293    
 ".*/\Xfoo"X  
 Identifying subpattern count = 0  
 Options: anchored extra  
 No first char  
     /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/  
 No match  
   
 "(?X).*/\Xfoo"  
 Identifying subpattern count = 0  
 Options: anchored extra  
 No first char  
     /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/  
 No match  
   
 ".*/\Xfoo"X  
 Identifying subpattern count = 0  
 Options: anchored extra  
 No first char  
     /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  
   
 "(?X).*/\Xfoo"  
 Identifying subpattern count = 0  
 Options: anchored extra  
 No first char  
     /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+/  
 Identifying subpattern count = 1  
 No options  
 First char = '.'  
     1.230003938  
  0: .230003938  
  1: .23  
     1.875000282  
  0: .875000282  
  1: .875  
     1.235  
  0: .235  
  1: .23  
   
 /(\.\d\d[1-9]?)\X\d+/X  
 Identifying subpattern count = 1  
 Options: extra  
 First char = '.'  
     1.230003938  
  0: .230003938  
  1: .23  
     1.875000282  
  0: .875000282  
  1: .875  
     *** Failers  
 No match  
     1.235  
 No match  
   
 /(\.\d\d((?=0)|\d(?=\d)))/  
 Identifying subpattern count = 2  
 No options  
 First char = '.'  
     1.230003938  
  0: .23  
  1: .23  
  2:  
     1.875000282  
  0: .875  
  1: .875  
  2: 5  
     *** Failers  
 No match  
     1.235  
 No match  
   
 /^(\w+\X|\s+\X)*$/X  
 Identifying subpattern count = 1  
 Options: anchored extra  
 No first char  
     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  
  1: party  
     *** Failers  
 No match  
     this is not a line with only words and spaces!  
 No match  
   
294  /^abc|def/  /^abc|def/
295  Identifying subpattern count = 0  Identifying subpattern count = 0
296  No options  No options
# Line 510  No match: POSIX code 17: match failed Line 366  No match: POSIX code 17: match failed
366  Failed: POSIX code 9: bad escape sequence at offset 4  Failed: POSIX code 9: bad escape sequence at offset 4
367    
368  /(abc)\2/P  /(abc)\2/P
369  Failed: POSIX code 15: bad back reference at offset 6  Failed: POSIX code 15: bad back reference at offset 7
370    
371  /(abc\1)/P  /(abc\1)/P
372      abc      abc
373  No match: POSIX code 15: bad back reference  No match: POSIX code 17: match failed
   
 "(?>.*/)foo"X  
 Identifying subpattern count = 0  
 Options: anchored extra  
 No first char  
     /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/  
 No match  
   
 "(?>.*/)foo"X  
 Identifying subpattern count = 0  
 Options: anchored extra  
 No first char  
     /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+/X  
 Identifying subpattern count = 1  
 Options: extra  
 No first char  
     1.230003938  
  0: .230003938  
  1: .23  
     1.875000282  
  0: .875000282  
  1: .875  
     *** Failers  
 No match  
     1.235  
 No match  
   
 /^((?>\w+)|(?>\s+))*$/X  
 Identifying subpattern count = 1  
 Options: anchored extra  
 No first char  
     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  
  1: party  
     *** Failers  
 No match  
     this is not a line with only words and spaces!  
 No match  
   
 /(\d+)(\w)/X  
 Identifying subpattern count = 2  
 Options: extra  
 No first char  
     12345a  
  0: 12345a  
  1: 12345  
  2: a  
     12345+  
  0: 12345  
  1: 1234  
  2: 5  
   
 /((?>\d+))(\w)/X  
 Identifying subpattern count = 2  
 Options: extra  
 No first char  
     12345a  
  0: 12345a  
  1: 12345  
  2: a  
     *** Failers  
 No match  
     12345+  
 No match  
   
 /([a]*)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 6  
   
 /([ab]*)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 7  
   
 /([^a]*)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 7  
   
 /([^ab]*)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 8  
   
 /([a]*?)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 7  
   
 /([ab]*?)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 8  
   
 /([^a]*?)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 8  
   
 /([^ab]*?)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 9  
   
 /(?>a*)*/X  
 Failed: nothing to repeat at offset 6  
   
 /((?>a*))*/X  
 Failed: operand of unlimited repeat could match the empty string at offset 8  
   
 /((?>a*?))*/X  
 Failed: operand of unlimited repeat could match the empty string at offset 9  
374    
375  /)/  /)/
376  Failed: unmatched brackets at offset 0  Failed: unmatched parentheses at offset 0
377    
378  /a[]b/  /a[]b/
379  Failed: missing terminating ] for character class at offset 4  Failed: missing terminating ] for character class at offset 4
380    
 /[^a]/  
 Identifying subpattern count = 0  
 No options  
 No first char  
     \Iaaaabcd  
  0: b  
     \IaaAabcd  
  0: b  
   
 /[^az]/  
 Identifying subpattern count = 0  
 No options  
 No first char  
     \Iaaaabcd  
  0: b  
     \IaaAabcd  
  0: b  
   
 /[^az]/  
 Identifying subpattern count = 0  
 No options  
 No first char  
     \Izazabcd  
  0: b  
     \IAaZabcd  
  0: b  
   
381  /[^aeiou ]{3,}/  /[^aeiou ]{3,}/
382  Identifying subpattern count = 0  Identifying subpattern count = 0
383  No options  No options
384  No first char  No first char
385      co-processors, and for      co-processors, and for
386   0: -pr   0: -pr
     \Ico-processors, and for  
  0: -pr  
387    
 /((a)*)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 6  
   
 /((a|b|c)*)*/  
 Failed: operand of unlimited repeat could match the empty string at offset 10  
   
388  /<.*>/  /<.*>/
389  Identifying subpattern count = 0  Identifying subpattern count = 0
390  No options  No options
# Line 712  Options: ungreedy Line 433  Options: ungreedy
433  First char = '='  First char = '='
434      abc========def      abc========def
435   0: ========   0: ========
436    
437    /(?<!bar|cattle)foo/
438    Identifying subpattern count = 0
439    No options
440    First char = 'f'
441        foo
442     0: foo
443        catfoo
444     0: foo
445        *** Failers
446    No match
447        the barfoo
448    No match
449        and cattlefoo
450    No match
451    
452    /(?<=a+)b/
453    Failed: lookbehind assertion is not fixed length at offset 6
454    
455    /(?<=aaa|b{0,3})b/
456    Failed: lookbehind assertion is not fixed length at offset 14
457    
458    /(?<!(foo)a\1)bar/
459    Failed: lookbehind assertion is not fixed length at offset 12
460    
461    /(?i)abc/
462    Identifying subpattern count = 0
463    Options: caseless
464    First char = 'a'
465    
466    /(a|(?m)a)/
467    Identifying subpattern count = 1
468    No options
469    First char = 'a'
470    
471    /(?i)^1234/
472    Identifying subpattern count = 0
473    Options: anchored caseless
474    No first char
475    
476    /(^b|(?i)^d)/
477    Identifying subpattern count = 1
478    Options: anchored
479    No first char
480    
481    /(?s).*/
482    Identifying subpattern count = 0
483    Options: anchored dotall
484    No first char
485    
486    /[abcd]/S
487    Identifying subpattern count = 0
488    No options
489    No first char
490    Starting character set: a b c d
491    
492    /(?i)[abcd]/S
493    Identifying subpattern count = 0
494    Options: caseless
495    No first char
496    Starting character set: A B C D a b c d
497    
498    /(?m)[xy]|(b|c)/S
499    Identifying subpattern count = 1
500    Options: multiline
501    No first char
502    Starting character set: b c x y
503    
504    /(^a|^b)/m
505    Identifying subpattern count = 1
506    Options: multiline
507    First char at start or follows \n
508    
509    /(?i)(^a|^b)/m
510    Identifying subpattern count = 1
511    Options: caseless multiline
512    First char at start or follows \n
513    
514    /(a)(?(1)a|b|c)/
515    Failed: conditional group contains more than two branches at offset 13
516    
517    /(?(?=a)a|b|c)/
518    Failed: conditional group contains more than two branches at offset 12
519    
520    /(?(1a)/
521    Failed: malformed number after (?( at offset 4
522    
523    /(?(?i))/
524    Failed: assertion expected after (?( at offset 3
525    
526    /(?(abc))/
527    Failed: assertion expected after (?( at offset 3
528    
529    /(?(?<ab))/
530    Failed: unrecognized character after (?< at offset 2
531    
532    /((?s)blah)\s+\1/
533    Identifying subpattern count = 1
534    No options
535    First char = 'b'
536    
537    /((?i)blah)\s+\1/
538    Identifying subpattern count = 1
539    No options
540    No first char
541    
542    /((?i)b)/DS
543    ------------------------------------------------------------------
544      0  16 Bra 0
545      3   8 Bra 1
546      6  01 Opt
547      8   1 b
548     11   8 Ket
549     14  00 Opt
550     16  16 Ket
551     19     End
552    ------------------------------------------------------------------
553    Identifying subpattern count = 1
554    No options
555    No first char
556    Starting character set: B b
557    
558    /(a*b|(?i:c*(?-i)d))/S
559    Identifying subpattern count = 1
560    No options
561    No first char
562    Starting character set: C a b c d
563    
564    /a$/
565    Identifying subpattern count = 0
566    No options
567    First char = 'a'
568        a
569     0: a
570        a\n
571     0: a
572        *** Failers
573    No match
574        \Za
575    No match
576        \Za\n
577    No match
578    
579    /a$/m
580    Identifying subpattern count = 0
581    Options: multiline
582    First char = 'a'
583        a
584     0: a
585        a\n
586     0: a
587        \Za\n
588     0: a
589        *** Failers
590    No match
591        \Za
592    No match
593    
594    /\Aabc/m
595    Identifying subpattern count = 0
596    Options: anchored multiline
597    No first char
598    
599    /^abc/m
600    Identifying subpattern count = 0
601    Options: multiline
602    First char at start or follows \n
603    
604    /^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/
605    Identifying subpattern count = 5
606    Options: anchored
607    No first char
608      aaaaabbbbbcccccdef
609     0: aaaaabbbbbcccccdef
610     1: aaaaabbbbbcccccdef
611     2: aaaaa
612     3: b
613     4: bbbbccccc
614     5: def
615    
616    /(?<=foo)[ab]/S
617    Identifying subpattern count = 0
618    No options
619    No first char
620    Starting character set: a b
621    
622    /(?<!foo)(alpha|omega)/S
623    Identifying subpattern count = 1
624    No options
625    No first char
626    Starting character set: a o
627    
628    /(?!alphabet)[ab]/S
629    Identifying subpattern count = 0
630    No options
631    No first char
632    Starting character set: a b
633    
634    /(?<=foo\n)^bar/m
635    Identifying subpattern count = 0
636    Options: multiline
637    First char at start or follows \n
638    
639    /(?>^abc)/m
640    Identifying subpattern count = 0
641    Options: multiline
642    First char at start or follows \n
643        abc
644     0: abc
645        def\nabc
646     0: abc
647        *** Failers
648    No match
649        defabc
650    No match
651    
652    /(?<=ab(c+)d)ef/
653    Failed: lookbehind assertion is not fixed length at offset 11
654    
655    /(?<=ab(?<=c+)d)ef/
656    Failed: lookbehind assertion is not fixed length at offset 12
657    
658    /(?<=ab(c|de)f)g/
659    Failed: lookbehind assertion is not fixed length at offset 13
660    
661    /The next two are in testinput2 because they have variable length branches/
662    Identifying subpattern count = 0
663    No options
664    First char = 'T'
665    
666    /(?<=bullock|donkey)-cart/
667    Identifying subpattern count = 0
668    No options
669    First char = '-'
670        the bullock-cart
671     0: -cart
672        a donkey-cart race
673     0: -cart
674        *** Failers
675    No match
676        cart
677    No match
678        horse-and-cart
679    No match
680    
681    /(?<=ab(?i)x|y|z)/
682    Identifying subpattern count = 0
683    No options
684    No first char
685    
686    /(?<=ab(?i)x(?-i)y|(?i)z|b)ZZ/
687    Identifying subpattern count = 0
688    No options
689    First char = 'Z'
690        abxyZZ
691     0: ZZ
692        abXyZZ
693     0: ZZ
694        ZZZ
695     0: ZZ
696        zZZ
697     0: ZZ
698        bZZ
699     0: ZZ
700        BZZ
701     0: ZZ
702        *** Failers
703    No match
704        ZZ
705    No match
706        abXYZZ
707    No match
708        zzz
709    No match
710        bzz
711    No match
712    
713    /(?<!(foo)a)bar/
714    Identifying subpattern count = 1
715    No options
716    First char = 'b'
717        bar
718     0: bar
719        foobbar
720     0: bar
721        *** Failers
722    No match
723        fooabar
724    No match
725    
726    /This one is here because Perl 5.005_02 doesn't fail it/
727    Identifying subpattern count = 0
728    No options
729    First char = 'T'
730    
731    /^(a)?(?(1)a|b)+$/
732    Identifying subpattern count = 1
733    Options: anchored
734    No first char
735        *** Failers
736    No match
737        a
738    No match
739    
740    /This one is here because I think Perl 5.005_02 gets the setting of $1 wrong/
741    Identifying subpattern count = 0
742    No options
743    First char = 'T'
744    
745    /^(a\1?){4}$/
746    Identifying subpattern count = 1
747    Options: anchored
748    No first char
749        aaaaaa
750     0: aaaaaa
751     1: aa
752    
753    /These are syntax tests from Perl 5.005/
754    Identifying subpattern count = 0
755    No options
756    First char = 'T'
757    
758    /a[b-a]/
759    Failed: range out of order in character class at offset 4
760    
761    /a[]b/
762    Failed: missing terminating ] for character class at offset 4
763    
764    /a[/
765    Failed: missing terminating ] for character class at offset 2
766    
767    /*a/
768    Failed: nothing to repeat at offset 0
769    
770    /(*)b/
771    Failed: nothing to repeat at offset 1
772    
773    /a\/
774    Failed: \ at end of pattern at offset 2
775    
776    /abc)/
777    Failed: unmatched parentheses at offset 3
778    
779    /(abc/
780    Failed: missing ) at offset 4
781    
782    /a**/
783    Failed: nothing to repeat at offset 2
784    
785    /)(/
786    Failed: unmatched parentheses at offset 0
787    
788    /\1/
789    Failed: back reference to non-existent subpattern at offset 2
790    
791    /\2/
792    Failed: back reference to non-existent subpattern at offset 2
793    
794    /(a)|\2/
795    Failed: back reference to non-existent subpattern at offset 6
796    
797    /a[b-a]/i
798    Failed: range out of order in character class at offset 4
799    
800    /a[]b/i
801    Failed: missing terminating ] for character class at offset 4
802    
803    /a[/i
804    Failed: missing terminating ] for character class at offset 2
805    
806    /*a/i
807    Failed: nothing to repeat at offset 0
808    
809    /(*)b/i
810    Failed: nothing to repeat at offset 1
811    
812    /a\/i
813    Failed: \ at end of pattern at offset 2
814    
815    /abc)/i
816    Failed: unmatched parentheses at offset 3
817    
818    /(abc/i
819    Failed: missing ) at offset 4
820    
821    /a**/i
822    Failed: nothing to repeat at offset 2
823    
824    /)(/i
825    Failed: unmatched parentheses at offset 0
826    
827    /:(?:/
828    Failed: missing ) at offset 4
829    
830    /(?<%)b/
831    Failed: unrecognized character after (?< at offset 0
832    
833    /a(?{)b/
834    Failed: unrecognized character after (? at offset 3
835    
836    /a(?{{})b/
837    Failed: unrecognized character after (? at offset 3
838    
839    /a(?{}})b/
840    Failed: unrecognized character after (? at offset 3
841    
842    /a(?{"{"})b/
843    Failed: unrecognized character after (? at offset 3
844    
845    /a(?{"{"}})b/
846    Failed: unrecognized character after (? at offset 3
847    
848    /(?(1?)a|b)/
849    Failed: malformed number after (?( at offset 4
850    
851    /(?(1)a|b|c)/
852    Failed: conditional group contains more than two branches at offset 10
853    
854    /[a[:xyz:/
855    Failed: missing terminating ] for character class at offset 8
856    
857    /(?<=x+)y/
858    Failed: lookbehind assertion is not fixed length at offset 6
859    
860    /a{37,17}/
861    Failed: numbers out of order in {} quantifier at offset 7
862    
863  / End of test input /  / End of test input /
864  Identifying subpattern count = 0  Identifying subpattern count = 0
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