--TEST-- preg_match() flags --FILE-- .)(x)(?P\S+)/', 'fjszxax', $match, PREG_OFFSET_CAPTURE)); var_dump($match); ?> --EXPECT-- int(1) array(2) { [0]=> array(2) { [0]=> string(2) "xa" [1]=> int(4) } [1]=> array(2) { [0]=> string(1) "a" [1]=> int(5) } } int(1) array(2) { [0]=> array(2) { [0]=> string(2) "ax" [1]=> int(5) } [1]=> array(2) { [0]=> string(1) "a" [1]=> int(5) } } int(1) array(6) { [0]=> array(2) { [0]=> string(4) "zxax" [1]=> int(3) } ["capt1"]=> array(2) { [0]=> string(1) "z" [1]=> int(3) } [1]=> array(2) { [0]=> string(1) "z" [1]=> int(3) } [2]=> array(2) { [0]=> string(1) "x" [1]=> int(4) } ["letsmix"]=> array(2) { [0]=> string(2) "ax" [1]=> int(5) } [3]=> array(2) { [0]=> string(2) "ax" [1]=> int(5) } }