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PCRE2_SUBSTRING_LENGTH_BYNAME
Section: C Library Functions (3) Updated: 26 September 2025 Index
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NAME
PCRE2- Per-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, or NULL
The third argument may be NULL if all you want to know is whether or not a
substring is set. The yield is zero on success, or a negative error code
otherwise.
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.
Index
- NAME
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- SYNOPSIS
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- DESCRIPTION
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