<?php
//$patterns = "/^(http|https):\/\/(.)*\.(.)*$/";
$patterns = "/\d+/";
$strs="23345swwyuiopbfASWEDD4667";
preg_match_all($patterns,$strs,$arr);
print_r($arr);
?>
Array
(
[0] => Array
(
[0] => 23345
[1] => 4667
)
)
<?php
//$patterns = "/^(http|https):\/\/(.)*\.(.)*$/";
$patterns = "/\d/";
$strs="23345swwyuiopbfASWEDD4667";
preg_match_all($patterns,$strs,$arr);
print_r($arr);
?>
Array
(
[0] => Array
(
[0] => 2
[1] => 3
[2] => 3
[3] => 4
[4] => 5
[5] => 4
[6] => 6
[7] => 6
[8] => 7
)
)
<?php
$str = "sssefss$2345.1234dddfffeds$456$00.23RR";$pattern = ‘/\$(\d+\.?\d+)/‘;if(preg_match_all($pattern, $str, $match)){ echo ‘<pre>‘; print_r($match);}else{ echo ‘没有找到！‘;}结果：Array( [0] => Array ( [0] => $2345.1234 [1] => $456 [2] => $00.23 ) [1] => Array ( [0] => 2345.1234 [1] => 456 [2] => 00.23 ))原文：http://www.cnblogs.com/ec04/p/6094000.html