Add mbregex skipif

Author: nikic

ext/mbstring/tests/mb_ereg_search_syntax.phpt

@@ -1,5 +1,10 @@
 --TEST--
 Specifying non-default syntax in mb_ereg_search()
+--SKIPIF--
+<?php
+if (!extension_loaded('mbstring')) die('skip mbstring not enabled');
+if (!function_exists("mb_regex_search")) die("skip mb_regex_search() is not defined");
+?>
 --FILE--
 <?php