/[pcre]/code/trunk/doc/pcrestack.3
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revision 121 by ph10, Tue Mar 6 12:27:42 2007 UTC revision 122 by ph10, Mon Mar 12 15:10:25 2007 UTC
# Line 52  frame for each matched character. For a Line 52  frame for each matched character. For a
52  required. Consider now this rewritten pattern, which matches exactly the same  required. Consider now this rewritten pattern, which matches exactly the same
53  strings:  strings:
54  .sp  .sp
55    ([^<]++|<(?!inet))    ([^<]++|<(?!inet))+
56  .sp  .sp
57  This uses very much less stack, because runs of characters that do not contain  This uses very much less stack, because runs of characters that do not contain
58  "<" are "swallowed" in one item inside the parentheses. Recursion happens only  "<" are "swallowed" in one item inside the parentheses. Recursion happens only
# Line 129  Cambridge CB2 3QH, England. Line 129  Cambridge CB2 3QH, England.
129  .rs  .rs
130  .sp  .sp
131  .nf  .nf
132  Last updated: 06 March 2007  Last updated: 12 March 2007
133  Copyright (c) 1997-2007 University of Cambridge.  Copyright (c) 1997-2007 University of Cambridge.
134  .fi  .fi

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