--TEST-- preg_match() flags 3 --FILE-- )/', '')); ?> --EXPECTF-- Warning: preg_match(): Empty regular expression in %smatch_flags3.php on line 3 bool(false) int(1) array(1) { [0]=> string(3) "789" } int(1) array(1) { [0]=> string(3) "123" } int(2) array(1) { [0]=> array(2) { [0]=> string(3) "789" [1]=> string(3) "012" } } Warning: preg_match(): Numeric named subpatterns are not allowed in %smatch_flags3.php on line %d bool(false)