php正則過濾HTML

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$str=preg_replace("/\s+/", " ", $str); //過濾多餘斷行符號$str=preg_replace("/<[ ]+/si","<",$str); //過濾<__("<"號後面帶空格)$str=preg_replace("/<\!--.*?-->/si","",$str); //注釋$str=preg_replace("/<(\!.*?)>/si","",$str); //過濾DOCTYPE$str=preg_replace("/<(\/?html.*?)>/si","",$str); //過濾html標籤$str=preg_replace("/<(\/?head.*?)>/si","",$str); //過濾head標籤$str=preg_replace("/<(\/?meta.*?)>/si","",$str); //過濾meta標籤$str=preg_replace("/<(\/?body.*?)>/si","",$str); //過濾body標籤$str=preg_replace("/<(\/?link.*?)>/si","",$str); //過濾link標籤$str=preg_replace("/<(\/?form.*?)>/si","",$str); //過濾form標籤$str=preg_replace("/cookie/si","COOKIE",$str); //過濾COOKIE標籤$str=preg_replace("/<(applet.*?)>(.*?)<(\/applet.*?)>/si","",$str); //過濾applet標籤$str=preg_replace("/<(\/?applet.*?)>/si","",$str); //過濾applet標籤$str=preg_replace("/<(style.*?)>(.*?)<(\/style.*?)>/si","",$str); //過濾style標籤$str=preg_replace("/<(\/?style.*?)>/si","",$str); //過濾style標籤$str=preg_replace("/<(title.*?)>(.*?)<(\/title.*?)>/si","",$str); //過濾title標籤$str=preg_replace("/<(\/?title.*?)>/si","",$str); //過濾title標籤$str=preg_replace("/<(object.*?)>(.*?)<(\/object.*?)>/si","",$str); //過濾object標籤$str=preg_replace("/<(\/?objec.*?)>/si","",$str); //過濾object標籤$str=preg_replace("/<(noframes.*?)>(.*?)<(\/noframes.*?)>/si","",$str); //過濾noframes標籤$str=preg_replace("/<(\/?noframes.*?)>/si","",$str); //過濾noframes標籤$str=preg_replace("/<(i?frame.*?)>(.*?)<(\/i?frame.*?)>/si","",$str); //過濾frame標籤$str=preg_replace("/<(\/?i?frame.*?)>/si","",$str); //過濾frame標籤$str=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$str); //過濾script標籤$str=preg_replace("/<(\/?script.*?)>/si","",$str); //過濾script標籤$str=preg_replace("/javascript/si","Javascript",$str); //過濾script標籤$str=preg_replace("/vbscript/si","Vbscript",$str); //過濾script標籤$str=preg_replace("/on([a-z]+)\s*=/si","On\\1=",$str); //過濾script標籤$str=preg_replace("/&#/si","&＃",$str); //過濾script標籤，如javAsCript:alert( 

 清除空格，換行

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

 過濾HTML 屬性

1，過濾所有html標籤的Regex：</?[^>]+>//過濾所有html標籤的屬性的Regex：$html = preg_replace("/<([a-zA-Z]+)[^>]*>/","<\\1>",$html);3，過濾部分html標籤的Regex的排除式（比如排除<p>，即不過濾<p>）：</?[^pP/>]+>4，過濾部分html標籤的Regex的枚舉式（比如需要過濾<a><p><b>等）：</?[aApPbB][^>]*>5，過濾部分html標籤的屬性的Regex的排除式（比如排除alt屬性，即不過濾alt屬性）：\s(?!alt)[a-zA-Z]+=[^\s]*6，過濾部分html標籤的屬性的Regex的枚舉式（比如alt屬性）：(\s)alt=[^\s]*

 

php正則過濾HTML