/[pcre]/code/trunk/doc/pcre_exec.3
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revision 77 by nigel, Sat Feb 24 21:40:45 2007 UTC revision 149 by ph10, Mon Apr 16 15:28:08 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 7  PCRE - Perl-compatible regular expressio Line 7  PCRE - Perl-compatible regular expressio
7  .B #include <pcre.h>  .B #include <pcre.h>
8  .PP  .PP
9  .SM  .SM
 .br  
10  .B int pcre_exec(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP,"  .B int pcre_exec(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP,"
11  .ti +5n  .ti +5n
12  .B "const char *\fIsubject\fP," int \fIlength\fP, int \fIstartoffset\fP,  .B "const char *\fIsubject\fP," int \fIlength\fP, int \fIstartoffset\fP,
# Line 35  offsets to captured substrings. Its argu Line 34  offsets to captured substrings. Its argu
34  The options are:  The options are:
35  .sp  .sp
36    PCRE_ANCHORED      Match only at the first position    PCRE_ANCHORED      Match only at the first position
37      PCRE_NEWLINE_ANY   Recognize any Unicode newline sequence
38      PCRE_NEWLINE_ANYCRLF  Recognize CR, LF, and CRLF as newline sequences
39      PCRE_NEWLINE_CR    Set CR as the newline sequence
40      PCRE_NEWLINE_CRLF  Set CRLF as the newline sequence
41      PCRE_NEWLINE_LF    Set LF as the newline sequence
42    PCRE_NOTBOL        Subject is not the beginning of a line    PCRE_NOTBOL        Subject is not the beginning of a line
43    PCRE_NOTEOL        Subject is not the end of a line    PCRE_NOTEOL        Subject is not the end of a line
44    PCRE_NOTEMPTY      An empty string is not a valid match    PCRE_NOTEMPTY      An empty string is not a valid match
# Line 44  The options are: Line 48  The options are:
48    PCRE_PARTIAL       Return PCRE_ERROR_PARTIAL for a partial match    PCRE_PARTIAL       Return PCRE_ERROR_PARTIAL for a partial match
49  .sp  .sp
50  There are restrictions on what may appear in a pattern when partial matching is  There are restrictions on what may appear in a pattern when partial matching is
51  requested.  requested. For details, see the
52    .\" HREF
53    \fBpcrepartial\fP
54    .\"
55    page.
56  .P  .P
57  A \fBpcre_extra\fP structure contains the following fields:  A \fBpcre_extra\fP structure contains the following fields:
58  .sp  .sp
59    \fIflags\fP        Bits indicating which fields are set    \fIflags\fP        Bits indicating which fields are set
60    \fIstudy_data\fP   Opaque data from \fBpcre_study()\fP    \fIstudy_data\fP   Opaque data from \fBpcre_study()\fP
61    \fImatch_limit\fP  Limit on internal recursion    \fImatch_limit\fP  Limit on internal resource use
62      \fImatch_limit_recursion\fP  Limit on internal recursion depth
63    \fIcallout_data\fP Opaque data passed back to callouts    \fIcallout_data\fP Opaque data passed back to callouts
64    \fItables\fP       Points to character tables or is NULL    \fItables\fP       Points to character tables or is NULL
65  .sp  .sp
66  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,
67  PCRE_EXTRA_CALLOUT_DATA, and PCRE_EXTRA_TABLES.  PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA, and
68    PCRE_EXTRA_TABLES.
69  .P  .P
70  There is a complete description of the PCRE native API in the  There is a complete description of the PCRE native API in the
71  .\" HREF  .\" HREF
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