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PCRE_COPY_SUBSTRING(3)                                  PCRE_COPY_SUBSTRING(3)

       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_NOSUB-
       STRING if the string number 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.