How to implement regular matching operation in PHP

墨辰丷
Release: 2023-03-26 21:54:02
Original
1643 people have browsed it

This article mainly introduces the PHP regular matching operation, and combines a simple example to analyze the preg_match_all in PHP to obtain the content of the P element and img src element in the HTML tag. Friends in need can refer to it

<?php
$str = <<< EOT
        <a href="www/app/a/2QRN7v" rel="external nofollow" >
          <p class="phonebg">
            <img src="http://www/template9/yunqingjian/jianjie/68.jpg" >
            <p class="phoneclick"></p>
            <p>幸福领地</p>
          </p>
        </a>
        <a href="www/app/a/uqARNv" rel="external nofollow" >
          <p class="phonebg">
            <img src="http://www/template9/yunqingjian/jianjie/69.jpg" >
            <p class="phoneclick"></p>
            <p>一世情长</p>
          </p>
        </a>
EOT;
if(preg_match_all(&#39;%<p.*?>(.*?)</p>%si&#39;, $str, $matches)) {
  $arr[0][] = $matches[1];
}
if(preg_match_all(&#39;/src="([^<]*)" >/i&#39;, $str, $matches)) {
  $arr[1][] = $matches[1];
}
print_r($arr);
exit;
?>
Copy after login

The running results are as follows:

Array
(
  [0] => Array
    (
      [0] => Array
        (
          [0] => 幸福领地
          [1] => 一世情长
        )
    )
  [1] => Array
    (
      [0] => Array
        (
          [0] => http://www/template9/yunqingjian/jianjie/68.jpg
          [1] => http://www/template9/yunqingjian/jianjie/69.jpg
        )
    )
)
Copy after login

##Related recommendations:

PHPRegular matchingInstance code of date and time (time stamp conversion)

# #PHP

Regular matchingCauses and solutions for failure of all characters
##PHP simple implementation

Regular matching

Province and city methods

##

The above is the detailed content of How to implement regular matching operation in PHP. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!