[PHP 语言] 分享php正则删除/去除/过滤html标记代码 js代码, php正则, php, 正则, html, 标记, 正则表达式

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php正则怎么去除js代码" F( l: S9 n+ P' N4 f9 H2 l2 }, d
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1. <?php
   
2. $str = 'yes,<scRipt type="text/javascript">
   
3. var IKFromImport=false;
   
4. </script>ok!';
   
5. $text = preg_replace("'<script(.*?)<\/script>'is","",$str);
   
6. //yes,ok!
   
7. echo $text;

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php 正则匹配css
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1. echo preg_replace('/(?:(<link.+href=\")((?!http).+\.css){1}(\".*(?:type=\"text\/css\"){1}.*>))|(?:(<link.+(?:type=\"text\/css\"){1}.*href=\")((?!http).+\.css){1}(\".*>))/i',"\${1}\${4}http://a.com/\${2}\${5}\${3}\${6}",$html);
   

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1. $search = array ("'<script[^>]*?>.*?</script>'si", // 去掉 javascript
   
2. "'<style[^>]*?>.*?</style>'si", // 去掉 css
   
3. "'<[/!]*?[^<>]*?>'si", // 去掉 HTML 标记
   
4. "'<!--[/!]*?[^<>]*?>'si", // 去掉 注释 标记
   
5. "'([rn])[s]+'", // 去掉空白字符
   
6. "'&(quot|#34);'i", // 替换 HTML 实体
   
7. "'&(amp|#38);'i",
   
8. "'&(lt|#60);'i",
   
9. "'&(gt|#62);'i",
   
10. "'&(nbsp|#160);'i",
    
11. "'&(iexcl|#161);'i",
    
12. "'&(cent|#162);'i",
    
13. "'&(pound|#163);'i",
    
14. "'&(copy|#169);'i",
    
15. "'&#(d+);'e"); // 作为 PHP 代码运行
    
16. 
    
17. $replace = array ("",
    
18. "",
    
19. "",
    
20. "",
    
21. "\1",
    
22. "\"",
    
23. "&",
    
24. "<",
    
25. ">",
    
26. " ",
    
27. chr(161),
    
28. chr(162),
    
29. chr(163),
    
30. chr(169),
    
31. "chr(\1)");
    
32. //$document为需要处理字符串，如果来源为文件可以$document = file_get_contents($filename);
    
33. $out = preg_replace($search, $replace, $document);

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; z4 @) I+ }" [3 b4 W! j也可以使用php的内置函数strip_tags()清除html,js,注释等标记