/[pcre]/code/trunk/doc/pcrepattern.3
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revision 340 by ph10, Sat Apr 12 14:36:14 2008 UTC revision 341 by ph10, Sat Apr 19 16:41:04 2008 UTC
# Line 2115  or removal in a future version of Perl". Line 2115  or removal in a future version of Perl".
2115  production code should be noted to avoid problems during upgrades." The same  production code should be noted to avoid problems during upgrades." The same
2116  remarks apply to the PCRE features described in this section.  remarks apply to the PCRE features described in this section.
2117  .P  .P
2118  Since these verbs are specifically related to backtracking, they can be used  Since these verbs are specifically related to backtracking, most of them can be
2119  only when the pattern is to be matched using \fBpcre_exec()\fP, which uses a  used only when the pattern is to be matched using \fBpcre_exec()\fP, which uses
2120  backtracking algorithm. They cause an error if encountered by  a backtracking algorithm. With the exception of (*FAIL), which behaves like a
2121    failing negative assertion, they cause an error if encountered by
2122  \fBpcre_dfa_exec()\fP.  \fBpcre_dfa_exec()\fP.
2123  .P  .P
2124  The new verbs make use of what was previously invalid syntax: an opening  The new verbs make use of what was previously invalid syntax: an opening
# Line 2239  Cambridge CB2 3QH, England. Line 2240  Cambridge CB2 3QH, England.
2240  .rs  .rs
2241  .sp  .sp
2242  .nf  .nf
2243  Last updated: 12 April 2008  Last updated: 19 April 2008
2244  Copyright (c) 1997-2008 University of Cambridge.  Copyright (c) 1997-2008 University of Cambridge.
2245  .fi  .fi

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