/[pcre]/code/trunk/doc/pcrelimits.3
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revision 678 by ph10, Sun Aug 28 15:23:03 2011 UTC revision 773 by ph10, Wed Nov 30 18:10:27 2011 UTC
# Line 23  All values in repeating quantifiers must Line 23  All values in repeating quantifiers must
23  There is no limit to the number of parenthesized subpatterns, but there can be  There is no limit to the number of parenthesized subpatterns, but there can be
24  no more than 65535 capturing subpatterns.  no more than 65535 capturing subpatterns.
25  .P  .P
26    There is a limit to the number of forward references to subsequent subpatterns
27    of around 200,000. Repeated forward references with fixed upper limits, for
28    example, (?2){0,100} when subpattern number 2 is to the right, are included in
29    the count. There is no limit to the number of backward references.
30    .P
31  The maximum length of name for a named subpattern is 32 characters, and the  The maximum length of name for a named subpattern is 32 characters, and the
32  maximum number of named subpatterns is 10000.  maximum number of named subpatterns is 10000.
33  .P  .P
# Line 52  Cambridge CB2 3QH, England. Line 57  Cambridge CB2 3QH, England.
57  .rs  .rs
58  .sp  .sp
59  .nf  .nf
60  Last updated: 24 August 2011  Last updated: 30 November 2011
61  Copyright (c) 1997-2011 University of Cambridge.  Copyright (c) 1997-2011 University of Cambridge.
62  .fi  .fi

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