/[pcre]/code/trunk/doc/pcretest.txt
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revision 43 by nigel, Sat Feb 24 21:39:21 2007 UTC revision 47 by nigel, Sat Feb 24 21:39:29 2007 UTC
# Line 63  to the matching process if the pattern b Line 63  to the matching process if the pattern b
63  (including \b or \B).  (including \b or \B).
64    
65  If any call to pcre_exec() in a /g or /G sequence matches an empty string, the  If any call to pcre_exec() in a /g or /G sequence matches an empty string, the
66  next call is done with the PCRE_NOTEMPTY flag set so that it cannot match an  next call is done with the PCRE_NOTEMPTY and PCRE_ANCHORED flags set in order
67  empty string again at the same point. If however, this second match fails, the  to search for another, non-empty, match at the same point. If this second match
68  start offset is advanced by one, and the match is retried. This imitates the  fails, the start offset is advanced by one, and the normal match is retried.
69  way Perl handles such cases when using the /g modifier or the split() function.  This imitates the way Perl handles such cases when using the /g modifier or the
70    split() function.
71    
72  There are a number of other modifiers for controlling the way pcretest  There are a number of other modifiers for controlling the way pcretest
73  operates.  operates.
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