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- 2018-6-13
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php正则怎么去除js代码& V( `2 x( u6 x0 ]2 A
4 n7 J) W% S- u3 ~' m8 T' e3 p- <?php
- $str = 'yes,<scRipt type="text/javascript">
- var IKFromImport=false;
- </script>ok!';
- $text = preg_replace("'<script(.*?)<\/script>'is","",$str);
- //yes,ok!
- echo $text;
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php 正则匹配css
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- echo preg_replace('/(?:(<link.+href=\")((?!http).+\.css){1}(\".*(?:type=\"text\/css\"){1}.*>))|(?:(<link.+(?:type=\"text\/css\"){1}.*href=\")((?!http).+\.css){1}(\".*>))/i',"\${1}\${4}http://a.com/\${2}\${5}\${3}\${6}",$html);
-
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- $search = array ("'<script[^>]*?>.*?</script>'si", // 去掉 javascript
- "'<style[^>]*?>.*?</style>'si", // 去掉 css
- "'<[/!]*?[^<>]*?>'si", // 去掉 HTML 标记
- "'<!--[/!]*?[^<>]*?>'si", // 去掉 注释 标记
- "'([rn])[s]+'", // 去掉空白字符
- "'&(quot|#34);'i", // 替换 HTML 实体
- "'&(amp|#38);'i",
- "'&(lt|#60);'i",
- "'&(gt|#62);'i",
- "'&(nbsp|#160);'i",
- "'&(iexcl|#161);'i",
- "'&(cent|#162);'i",
- "'&(pound|#163);'i",
- "'&(copy|#169);'i",
- "'&#(d+);'e"); // 作为 PHP 代码运行
- $replace = array ("",
- "",
- "",
- "",
- "\1",
- "\"",
- "&",
- "<",
- ">",
- " ",
- chr(161),
- chr(162),
- chr(163),
- chr(169),
- "chr(\1)");
- //$document为需要处理字符串,如果来源为文件可以$document = file_get_contents($filename);
- $out = preg_replace($search, $replace, $document);
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也可以使用php的内置函数strip_tags()清除html,js,注释等标记 |
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