pcre_copy_named_substring specification

# pcre_copy_named_substring man page

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SYNOPSIS

#include <pcre.h>

int pcre_copy_named_substring(const pcre *code, const char *subject, int *ovector, int stringcount, const char *stringname, char *buffer, int buffersize);
int pcre16_copy_named_substring(const pcre16 *code, PCRE_SPTR16 subject, int *ovector, int stringcount, PCRE_SPTR16 stringname, PCRE_UCHAR16 *buffer, int buffersize);
int pcre32_copy_named_substring(const pcre32 *code, PCRE_SPTR32 subject, int *ovector, int stringcount, PCRE_SPTR32 stringname, PCRE_UCHAR32 *buffer, int buffersize);

DESCRIPTION

This is a convenience function for extracting a captured substring, identified by name, into a given buffer. The arguments are:

      code          Pattern that was successfully matched
      subject       Subject that has been successfully matched
      ovector       Offset vector that pcre[16|32]_exec() used
      stringcount   Value returned by pcre[16|32]_exec()
      stringname    Name of the required substring
      buffer        Buffer to receive the string
      buffersize    Size of buffer

The yield is the length of the substring, PCRE_ERROR_NOMEMORY if the buffer was too small, 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.

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