Online PHP editor | refs for 1OKQu

<?php $string = '=iferror(ifs(OR("foo", "bar"),"a",OR("tar", OR("scar", "baa")),"b",OR("lar"),"d"),"c") blah blah ifs(OR("foo", "bar"),"a") and another one ifs("a", OR("tar", OR("scar", "baa")),"b",OR("lar"),"d")'; $regex = '/ifs($((?>[^()]+)|(?-2))*$)/'; preg_match_all($regex, $string, $matches); print_r($matches[0]);