blob: 06de985f4ea86ec38d55d946cd7a60aa2a2833b7 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
.TH PCRE 3
.SH NAME
PCRE - Perl-compatible regular expressions
.SH SYNOPSIS
.rs
.sp
.B #include <pcre.h>
.PP
.SM
.br
.B int pcre_fullinfo(const pcre *\fIcode\fR, "const pcre_extra *\fIextra\fR,"
.ti +5n
.B int \fIwhat\fR, void *\fIwhere\fR);
.SH DESCRIPTION
.rs
.sp
This function returns information about a compiled pattern. Its arguments are:
\fIcode\fR Compiled regular expression
\fIextra\fR Result of \fBpcre_study()\fR or NULL
\fIwhat\fR What information is required
\fIwhere\fR Where to put the information
The following information is available:
PCRE_INFO_BACKREFMAX Number of highest back reference
PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
-1 for start of string
or after newline, or
-2 otherwise
PCRE_INFO_FIRSTTABLE Table of first bytes
(after studying)
PCRE_INFO_LASTLITERAL Literal last byte required
PCRE_INFO_NAMECOUNT Number of named subpatterns
PCRE_INFO_NAMEENTRYSIZE Size of name table entry
PCRE_INFO_NAMETABLE Pointer to name table
PCRE_INFO_OPTIONS Options used for compilation
PCRE_INFO_SIZE Size of compiled pattern
The yield of the function is zero on success or:
PCRE_ERROR_NULL the argument \fIcode\fR was NULL
the argument \fIwhere\fR was NULL
PCRE_ERROR_BADMAGIC the "magic number" was not found
PCRE_ERROR_BADOPTION the value of \fIwhat\fR was invalid
There is a complete description of the PCRE API in the
.\" HREF
\fBpcreapi\fR
.\"
page.
|
