php > $s = "/myPage/userName/"; preg_match("/\/(.*)\/([^\/]+)\/?/",$s,$m); print_r($m);
Array
(
    [0] => /myPage/userName/
    [1] => myPage
    [2] => userName
)
php > $s = "/myPage/userName"; preg_match("/\/(.*)\/([^\/]+)\/?/",$s,$m); print_r($m);
Array
(
    [0] => /myPage/userName
    [1] => myPage
    [2] => userName
)