Home > Backend Development > PHP Tutorial > Regular Expression - How to use regular expression to get the content of a tag in php?

Regular Expression - How to use regular expression to get the content of a tag in php?

WBOY
Release: 2023-03-03 08:40:02
Original
1834 people have browsed it

<code><!-- 1 -->
<a class="myclass" target="_blank" href="http://www.taobao.com/">我是内容1</a>
<!-- 2 -->
<a target="_blank" class="myclass" href="http://www.baidu.com/">我是内容2</a>
<!-- 3 -->
<a class="noclass" target="_blank" href="http://www.foobar.com/">不包含我</a>
</code>
Copy after login
Copy after login

Like the tag above, I want to get the content of 1 and 2 of the a tag (I am content 1, I am content 2), but I don’t want 3 (not including me). The only difference between them is that the classtags are different classlocation may also be different! ! ! **

How to use regular expression to obtain it?

Reply content:

<code><!-- 1 -->
<a class="myclass" target="_blank" href="http://www.taobao.com/">我是内容1</a>
<!-- 2 -->
<a target="_blank" class="myclass" href="http://www.baidu.com/">我是内容2</a>
<!-- 3 -->
<a class="noclass" target="_blank" href="http://www.foobar.com/">不包含我</a>
</code>
Copy after login
Copy after login

Like the tag above, I want to get the content of 1 and 2 of the a tag (I am content 1, I am content 2), but I don’t want 3 (not including me). The only difference between them is that the classtags are different classlocation may also be different! ! ! **

How to use regular expression to obtain it?

Thanks for the invitation.

<code class="php">$str = '<a class="myclass" target="_blank" href="http://www.taobao.com/">我是内容1</a>
<a target="_blank" class="myclass" href="http://www.baidu.com/">我是内容2</a>
<a class="noclass" target="_blank" href="http://www.miyahuo.com/">不包含我</a>';

preg_match_all('#<a .*class="myclass".*>(.*)</a>#', $str,$m);
print_r($m);
/*
Array
(
    [0] => Array
        (
            [0] => <a class="myclass" target="_blank" href="http://www.taobao.com/">我是内容1 <a target="_blank" class="myclass" href="http://www.baidu.com/">我是内容2 Array
        (
            [0] => 我是内容1
            [1] => 我是内容2
        )

)
*/</code>
Copy after login

Thanks for the invitation, correct answer upstairs

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