Online PHP editor | output for XoVBN

<?php $array = [ '../fish/cod/123709-sdfgsdfgvsadfg.pdf', '../fish/cod/123797-sdfgsdfg-sdfg-sdfgs-dfg-sd.pdf', '../fish/cod/123998-sdfgsdf-gsdf-gsd-fg-sdfg-.pdf', '../fish/cod/123998-sdfgsdfg-sdf-gsdfg-sdf-g.pdf', '../fish/cod/123998-sdfg.pdf', '../fish/cod/123998-sdfgsdfgsfdg-sdfg.pdf', '../fish/cod/124089-sdfgsdfg-sdfg-sdfg-.pdf', '../fish/cod/124153-sdfgsdfgsdf-gsdfg.pdf', ]; $needles = [123709, 123797, 124089, 124153]; $regex = '~\b(?:' . implode('|', array_map(fn($v) => preg_quote($v, '~'), $needles)) . ')\b~'; var_export(preg_grep($regex, $array, PREG_GREP_INVERT));