Pcre match all

来自MudWiki

NAME

   pcre_match_all() - find all matches

SYNOPSIS

   mixed pcre_match_all(string, string);

DESCRIPTION

   Similiar to php preg_match_all, this EFUN returns a array of string arrays,
   containing all matches and captured groups.

Example

   // https://tools.ietf.org/html/rfc3986#appendix-B
   pcre_match_all("http://www.ics.uci.edu/pub/ietf/uri/#Related",
                      "^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\\?([^#]*))?(#(.*))?" ));

   Will return
     ({ /* sizeof() == 1 */
       ({ /* sizeof() == 10 */
         "http://www.ics.uci.edu/pub/ietf/uri/#Related",
             "http:",
             "http",
             "//www.ics.uci.edu",
             "www.ics.uci.edu",
             "/pub/ietf/uri/",
             "",
             "",
             "#Related",
             "Related"
       })
     }),

   There are 1 match in the entire string, the first item in the array is the matched substring, then all the
   captured groups.