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<?php $patterns = "/\d+/"; //第一种 //$patterns = "/\d/"; //第二种 $strs="left:0px;top:202px;width:90px;height:30px"; preg_match_all($patterns,$strs,$arr); print_r($arr); /***************运行结果*********************/ //第一种 Array ( [0] => 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 ) )