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  • php过滤HTML标签、属性等正则表达式汇总

    $str=preg_replace("/s+/", " ", $str); //过滤多余回车
    $str=preg_replace("/<[ ]+/si","<",$str); //过滤<__("<"号后面带空格)
      
    $str=preg_replace("/<!--.*?-->/si","",$str); //注释
    $str=preg_replace("/<(!.*?)>/si","",$str); //过滤DOCTYPE
    $str=preg_replace("/<(/?html.*?)>/si","",$str); //过滤html标签
    $str=preg_replace("/<(/?head.*?)>/si","",$str); //过滤head标签
    $str=preg_replace("/<(/?meta.*?)>/si","",$str); //过滤meta标签
    $str=preg_replace("/<(/?body.*?)>/si","",$str); //过滤body标签
    $str=preg_replace("/<(/?link.*?)>/si","",$str); //过滤link标签
    $str=preg_replace("/<(/?form.*?)>/si","",$str); //过滤form标签
    $str=preg_replace("/cookie/si","COOKIE",$str); //过滤COOKIE标签
      
    $str=preg_replace("/<(applet.*?)>(.*?)<(/applet.*?)>/si","",$str); //过滤applet标签
    $str=preg_replace("/<(/?applet.*?)>/si","",$str); //过滤applet标签
      
    $str=preg_replace("/<(style.*?)>(.*?)<(/style.*?)>/si","",$str); //过滤style标签
    $str=preg_replace("/<(/?style.*?)>/si","",$str); //过滤style标签
      
    $str=preg_replace("/<(title.*?)>(.*?)<(/title.*?)>/si","",$str); //过滤title标签
    $str=preg_replace("/<(/?title.*?)>/si","",$str); //过滤title标签
      
    $str=preg_replace("/<(object.*?)>(.*?)<(/object.*?)>/si","",$str); //过滤object标签
    $str=preg_replace("/<(/?objec.*?)>/si","",$str); //过滤object标签
      
    $str=preg_replace("/<(noframes.*?)>(.*?)<(/noframes.*?)>/si","",$str); //过滤noframes标签
    $str=preg_replace("/<(/?noframes.*?)>/si","",$str); //过滤noframes标签
      
    $str=preg_replace("/<(i?frame.*?)>(.*?)<(/i?frame.*?)>/si","",$str); //过滤frame标签
    $str=preg_replace("/<(/?i?frame.*?)>/si","",$str); //过滤frame标签
      
    $str=preg_replace("/<(script.*?)>(.*?)<(/script.*?)>/si","",$str); //过滤script标签
    $str=preg_replace("/<(/?script.*?)>/si","",$str); //过滤script标签
    $str=preg_replace("/javascript/si","Javascript",$str); //过滤script标签
    $str=preg_replace("/vbscript/si","Vbscript",$str); //过滤script标签
    $str=preg_replace("/on([a-z]+)s*=/si","On\1=",$str); //过滤script标签
    $str=preg_replace("/&#/si","&#",$str); //过滤script标签,如javAsCript:alert(
    

    清除空格,换行

    function DeleteHtml($str)
    {
    $str = trim($str);
    $str = strip_tags($str,"");
    $str = ereg_replace("	","",$str);
    $str = ereg_replace("
    ","",$str);
    $str = ereg_replace("
    ","",$str);
    $str = ereg_replace("
    ","",$str);
    $str = ereg_replace(" "," ",$str);
    return trim($str);
    }
    

    过滤HTML属性

    1,过滤所有html标签的正则表达式:

    </?[^>]+>
     
    //过滤所有html标签的属性的正则表达式:
     
    $html = preg_replace("/<([a-zA-Z]+)[^>]*>/","<\1>",$html);
    

      

      

      

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  • 原文地址:https://www.cnblogs.com/vania/p/4431558.html
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