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revision 181 by ph10, Wed Jun 13 14:55:18 2007 UTC revision 182 by ph10, Wed Jun 13 15:09:54 2007 UTC
# Line 22  Some more features from Perl 5.10 have b Line 22  Some more features from Perl 5.10 have b
22    (?-n) and (?+n) relative references for recursion and subroutines.    (?-n) and (?+n) relative references for recursion and subroutines.
23    
24    (?(-n) and (?(+n) relative references as conditions.    (?(-n) and (?(+n) relative references as conditions.
25    
26    \k{name} and \g{name} are synonyms for \k<name>.    \k{name} and \g{name} are synonyms for \k<name>.
27    
28    \K to reset the start of the matched string; for example, (foo)\Kbar    \K to reset the start of the matched string; for example, (foo)\Kbar
29    matches bar preceded by foo, but only sets bar as the matched string.    matches bar preceded by foo, but only sets bar as the matched string.
30    
31    (?| introduces a group where the capturing parentheses in each alternative    (?| introduces a group where the capturing parentheses in each alternative
32    start from the same number; for example, (?|(abc)|(xyz)) sets capturing    start from the same number; for example, (?|(abc)|(xyz)) sets capturing
33    parentheses number 1 in both cases.    parentheses number 1 in both cases.
34    
35    \h, \H, \v, \V match horizontal and vertical whitespace, respectively.    \h, \H, \v, \V match horizontal and vertical whitespace, respectively.
36    
37    
38  Release 7.1 24-Apr-07  Release 7.1 24-Apr-07
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