<?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
)
)