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/usr/man/cat.3/pcre_get_substring.3.Z(/usr/man/cat.3/pcre_get_substring.3.Z)





NAME

       PCRE - Perl-compatible regular expressions


SYNOPSIS


       #include <pcre.h>

       int pcre_get_substring(const char *subject, int *ovector,
            int stringcount, int stringnumber,
            const char **stringptr);


DESCRIPTION


       This is a convenience function for extracting a captured substring. 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
         stringptr     Where to put the string pointer

       The memory in which the substring is  placed  is  obtained  by  calling
       pcre_malloc().  The  convenience  function pcre_free_substring() can be
       used to free it when it is no longer needed. The yield of the  function
       is  the length of the substring, PCRE_ERROR_NOMEMORY if sufficient mem-
       ory could not be obtained, or PCRE_ERROR_NOSUBSTRING if the string num-
       ber 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.

                                                         PCRE_GET_SUBSTRING(3)

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