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 |
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 |