NAME

       PCRE2 - Perl-compatible regular expressions (revised API)

SYNOPSIS

       #include <pcre2.h>

       int pcre2_substring_length_byname(pcre2_match_data *match_data,
         PCRE2_SPTR name, PCRE2_SIZE *length);

DESCRIPTION

       This function returns the length of a matched substring, identified by name.  The arguments are:

         match_data   The match data block for the match
         name         The substring name
         length       Where to return the length

       The yield is zero on success, or an error code if the substring is not found.

       There  is  a  complete  description of the PCRE2 native API in the pcre2api page and a description of the
       POSIX API in the pcre2posix page.