$search = '/\<a(.+)href="https:\/\/(.+)(?:www\.)?((?:youtu\.be\/|youtube\.com(?:\/embed\/|\/v\/|\/watch(.+)v=))([\w\-]{10,12})).youtube\"(.+)<\/a>/i';
				$replace = '<iframe width="250" height="150" src="http://www.youtube-nocookie.com/embed/$5"></iframe>';
				$content = preg_replace($search, $replace, $content);