php 正则提取数字

Posted 2020-08-20 ec04

tags:

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<?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