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Contents of /code/trunk/doc/pcre_get_stringnumber.3

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Revision 1055 - (hide annotations) (download)
Tue Oct 16 15:53:30 2012 UTC (7 months ago) by chpe
File size: 1222 byte(s)
pcre32: Add 32-bit library

Create libpcre32 that operates on 32-bit characters (UTF-32).

This turned out to be surprisingly simple after the UTF-16 support
was introduced; mostly just extra ifdefs and adjusting and adding
some tests.
1 chpe 1055 .TH PCRE_GET_STRINGNUMBER 3 "24 June 2012" "PCRE 8.30"
2 nigel 63 .SH NAME
3     PCRE - Perl-compatible regular expressions
4     .SH SYNOPSIS
5     .rs
6     .sp
7     .B #include <pcre.h>
8     .PP
9     .SM
10 nigel 75 .B int pcre_get_stringnumber(const pcre *\fIcode\fP,
11 nigel 63 .ti +5n
12 nigel 75 .B const char *\fIname\fP);
13 ph10 868 .PP
14     .B int pcre16_get_stringnumber(const pcre16 *\fIcode\fP,
15     .ti +5n
16     .B PCRE_SPTR16 \fIname\fP);
17 chpe 1055 .PP
18     .B int pcre32_get_stringnumber(const pcre32 *\fIcode\fP,
19     .ti +5n
20     .B PCRE_SPTR32 \fIname\fP);
21 nigel 75 .
22 nigel 63 .SH DESCRIPTION
23     .rs
24     .sp
25     This convenience function finds the number of a named substring capturing
26     parenthesis in a compiled pattern. Its arguments are:
27 nigel 75 .sp
28     \fIcode\fP Compiled regular expression
29     \fIname\fP Name whose number is required
30     .sp
31 nigel 63 The yield of the function is the number of the parenthesis if the name is
32 nigel 93 found, or PCRE_ERROR_NOSUBSTRING otherwise. When duplicate names are allowed
33     (PCRE_DUPNAMES is set), it is not defined which of the numbers is returned by
34 chpe 1055 \fBpcre[16|32]_get_stringnumber()\fP. You can obtain the complete list by calling
35     \fBpcre[16|32]_get_stringtable_entries()\fP.
36 nigel 75 .P
37     There is a complete description of the PCRE native API in the
38 nigel 63 .\" HREF
39 nigel 75 \fBpcreapi\fP
40 nigel 63 .\"
41 nigel 75 page and a description of the POSIX API in the
42     .\" HREF
43     \fBpcreposix\fP
44     .\"
45 nigel 63 page.

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