Added IRC_match(), which allows users to match against so-called

"IRC wildcards": * = Any 0 or more characters, ? = Any 1 character only.
i.e. IRC_match("cyan@gammos.weyland-yutani.net","*@*.WEYLAND-YUTANI.NET")
returns a match, whereas IRC_match("usr@something.com","????@*.com") does not.

exec/load/irclib.js

@@ -129,3 +129,18 @@ function IRC_quit(server,reason) {
 
 	server.send("QUIT :" + reason + "\r\n");
 }
+
+// This function is intended to match against so-called "IRC wildcards", which
+// is a simple wildcarding syntax (* = match 0 or more characters, ? = always
+// match one character only.)  The match is case insensitive.
+// EXAMPLE: IRC_match("cyan@weyland-yutani.net","*@weyland-yutani.net");
+// RETURNS: Same as Javascript match() (the matched string on success, or
+// false on failure)
+function IRC_match(mtchstr,mask) {
+	var final_mask="^";
+	mask=mask.replace(/[.]/g,"\\\.");
+	mask=mask.replace(/[?]/g,".");
+	mask=mask.replace(/[*]/g,".*?");
+	final_mask=final_mask + mask + "$";
+	return mtchstr.toUpperCase().match(final_mask.toUpperCase());
+}