PHP正则获取字符串中数字

 Array        (            [0] => 0            [1] => 202            [2] => 90            [3] => 30        ))//第二种Array(    [0] => Array        (            [0] => 0            [1] => 2            [2] => 0            [3] => 2            [4] => 9            [5] => 0            [6] => 3            [7] => 0        ))