wikimedia/mediawiki-core

<?php
/** Obolo (Obolo)
 *
 * @file
 * @ingroup Languages
 *
 * @author Amir E. Aharoni
 */

$linkTrail = '/^([a-zA-Z̄ọỌâêîôûÂÊÎÔÛàèìòùÀÈÌÒÙ]+)(.*)$/sDu';