man pcre_get_named_substring (Fonctions bibliothèques) - Perl-compatible regular expressions
NAME
PCRE - Perl-compatible regular expressions
SYNOPSIS
#include <pcre.h>
int pcre_get_named_substring(const pcre *code,
const char *subject, int *ovector,
int stringcount, const char *stringname,
const char **stringptr);
DESCRIPTION
This is a convenience function for extracting a captured substring by name. The arguments are: code Compiled pattern subject Subject that has been successfully matched ovector Offset vector that pcre_exec() used stringcount Value returned by pcre_exec() stringname Name of the required substring stringptr Where to put the string pointer The memory in which the substring is placed is obtained by calling pcre_malloc(). The yield of the function is the length of the extracted substring, PCRE_ERROR_NOMEMORY if sufficient memory could not be obtained, or PCRE_ERROR_NOSUBSTRING if the string name is invalid.
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.