pcre_get_stringnumber specification

# pcre_get_stringnumber man page

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SYNOPSIS

#include <pcre.h>

int pcre_get_stringnumber(const pcre *code, const char *name);
int pcre16_get_stringnumber(const pcre16 *code, PCRE_SPTR16 name);
int pcre32_get_stringnumber(const pcre32 *code, PCRE_SPTR32 name);

DESCRIPTION

This convenience function finds the number of a named substring capturing parenthesis in a compiled pattern. Its arguments are:

      code    Compiled regular expression
      name    Name whose number is required

The yield of the function is the number of the parenthesis if the name is found, or PCRE_ERROR_NOSUBSTRING otherwise. When duplicate names are allowed (PCRE_DUPNAMES is set), it is not defined which of the numbers is returned by pcre[16|32]_get_stringnumber(). You can obtain the complete list by calling pcre[16|32]_get_stringtable_entries().

There is a complete description of the PCRE native API in the pcreapi page and a description of the POSIX API in the pcreposix page.

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