How to use regular matching in php to remove html

php uses regular matching to remove html: 1. Create a PHP sample file; 2. Define the variable $html, including HTML tags and text; 3. Use the "preg_replace()" function to replace all HTML tags Replace with spaces, the syntax is "preg_replace('/(] >| |\s )/u', ' ', $html)"; 4. Use the built-in function "trim()" to remove characters Just add spaces at the beginning and end of the string, echo and output the result.

Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.

php method to use regular matching to remove html:

1. Create a PHP sample file;

2. Define the variable $html, including HTML tags and text;

3. Use the "preg_replace()" function to replace all HTML tags with spaces. The syntax is "preg_replace('/(] >| |\s )/u', ' ', $html)";

4. Use the built-in function "trim()" to remove the leading and trailing spaces of the string, echo and output the result.

The code example is as follows

<?php
$html = &#39;<p>这是一个带有HTML标签的文本。</p><a href="http://example.com">点击我</a>&#39;;
$clean_text = preg_replace(&#39;/(<[^>]+>| |\s+)/u&#39;, &#39; &#39;, $html); // 替换所有HTML标签为空格
$clean_text = trim($clean_text); // 去除字符串首尾空格
echo $clean_text;
?>

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