PCRE2 - Perl-compatible regular expressions (revised API) .rs #include <pcre2.h>

 pcre2_match_context *pcre2_match_context_copy(  " pcre2_match_context *mcontext);" 

. .rs This function makes a new copy of a match context, using the memory allocation function that was used for the original context. The result is NULL if the memory cannot be obtained.

There is a complete description of the PCRE2 native API in the HREF
pcre2api
page and a description of the POSIX API in the HREF
pcre2posix
page.