/[pcre]/code/trunk/doc/pcre_exec.3
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revision 75 by nigel, Sat Feb 24 21:40:37 2007 UTC revision 87 by nigel, Sat Feb 24 21:41:21 2007 UTC
# Line 1  Line 1 
1  .TH PCRE 3  .TH PCRE_EXEC 3
2  .SH NAME  .SH NAME
3  PCRE - Perl-compatible regular expressions  PCRE - Perl-compatible regular expressions
4  .SH SYNOPSIS  .SH SYNOPSIS
# Line 18  PCRE - Perl-compatible regular expressio Line 18  PCRE - Perl-compatible regular expressio
18  .rs  .rs
19  .sp  .sp
20  This function matches a compiled regular expression against a given subject  This function matches a compiled regular expression against a given subject
21  string, and returns offsets to capturing subexpressions. Its arguments are:  string, using a matching algorithm that is similar to Perl's. It returns
22    offsets to captured substrings. Its arguments are:
23  .sp  .sp
24    \fIcode\fP         Points to the compiled pattern    \fIcode\fP         Points to the compiled pattern
25    \fIextra\fP        Points to an associated \fBpcre_extra\fP structure,    \fIextra\fP        Points to an associated \fBpcre_extra\fP structure,
# Line 49  A \fBpcre_extra\fP structure contains th Line 50  A \fBpcre_extra\fP structure contains th
50  .sp  .sp
51    \fIflags\fP        Bits indicating which fields are set    \fIflags\fP        Bits indicating which fields are set
52    \fIstudy_data\fP   Opaque data from \fBpcre_study()\fP    \fIstudy_data\fP   Opaque data from \fBpcre_study()\fP
53    \fImatch_limit\fP  Limit on internal recursion    \fImatch_limit\fP  Limit on internal resource use
54      \fImatch_limit_recursion\fP  Limit on internal recursion depth
55    \fIcallout_data\fP Opaque data passed back to callouts    \fIcallout_data\fP Opaque data passed back to callouts
56    \fItables\fP       Points to character tables or is NULL    \fItables\fP       Points to character tables or is NULL
57  .sp  .sp
58  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,
59  PCRE_EXTRA_CALLOUT_DATA, and PCRE_EXTRA_TABLES.  PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA, and
60    PCRE_EXTRA_TABLES.
61  .P  .P
62  There is a complete description of the PCRE native API in the  There is a complete description of the PCRE native API in the
63  .\" HREF  .\" HREF
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