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X11R7.4 - man page for pcre_copy_substring (x11r4 section 3)

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       PCRE - Perl-compatible regular expressions


       #include <pcre.h>

       int pcre_copy_substring(const char *subject, int *ovector,
	    int stringcount, int stringnumber, char *buffer,
	    int buffersize);


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

	 subject       Subject that has been successfully matched
	 ovector       Offset vector that pcre_exec() used
	 stringcount   Value returned by pcre_exec()
	 stringnumber  Number of the required substring
	 buffer        Buffer to receive the string
	 buffersize    Size of buffer

       The yield is the length of the string, PCRE_ERROR_NOMEMORY if the buffer was too small, or
       PCRE_ERROR_NOSUBSTRING if the string number is invalid.

       There  is a complete description of the PCRE native API in the pcreapi page and a descrip-
       tion of the POSIX API in the pcreposix page.

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