Online PHP editor | refs for AWgsA

<?php $addr = "http://www.example.com/?pk_lol=VAgin&utm_campaign=printemps&utm_medium=e-mail&utm_source=newsletter1&utm_content=lien-en-haut"; $pattern ="/(utm_campaign=.[^&]+)?/";//(utm_medium=.[^&]+)?(utm_source=.[^&]+)?/i"; preg_match($pattern, $addr, $result); echo $result[0];