$text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism", $sub, $text);
$text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism", '', $text);
$text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism", '', $text);
$text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism", $sub, $text);
$text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism", '', $text);
$text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism", '', $text);