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.