php使用正則去掉html的方法：首先創(chuàng)建一個PHP示例文件；然后通過正則表達式“preg_replace("/<([a-za-z]+)[^>]*>/","<\\\\1>",$html);”過濾所有html標簽的屬性即可。

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推薦：《PHP教程》

php過濾HTML標簽、屬性等正則表達式匯總

$str=preg_replace("/\\s+/", " ", $str); //過濾多余回車
$str=preg_replace("/<[ ]+/si","<",$str); //過濾<__("<"號后面帶空格)
   
$str=preg_replace("/<\\!--.*?-->/si","",$str); //注釋
$str=preg_replace("/<(\\!.*?)>/si","",$str); //過濾DOCTYPE
$str=preg_replace("/<(\\/?html.*?)>/si","",$str); //過濾html標簽
$str=preg_replace("/<(\\/?head.*?)>/si","",$str); //過濾head標簽
$str=preg_replace("/<(\\/?meta.*?)>/si","",$str); //過濾meta標簽
$str=preg_replace("/<(\\/?body.*?)>/si","",$str); //過濾body標簽
$str=preg_replace("/<(\\/?link.*?)>/si","",$str); //過濾link標簽
$str=preg_replace("/<(\\/?form.*?)>/si","",$str); //過濾form標簽
$str=preg_replace("/cookie/si","COOKIE",$str); //過濾COOKIE標簽
   
$str=preg_replace("/<(applet.*?)>(.*?)<(\\/applet.*?)>/si","",$str); //過濾applet標簽
$str=preg_replace("/<(\\/?applet.*?)>/si","",$str); //過濾applet標簽
   
$str=preg_replace("/<(style.*?)>(.*?)<(\\/style.*?)>/si","",$str); //過濾style標簽
$str=preg_replace("/<(\\/?style.*?)>/si","",$str); //過濾style標簽
   
$str=preg_replace("/<(title.*?)>(.*?)<(\\/title.*?)>/si","",$str); //過濾title標簽
$str=preg_replace("/<(\\/?title.*?)>/si","",$str); //過濾title標簽
   
$str=preg_replace("/<(object.*?)>(.*?)<(\\/object.*?)>/si","",$str); //過濾object標簽
$str=preg_replace("/<(\\/?objec.*?)>/si","",$str); //過濾object標簽
   
$str=preg_replace("/<(noframes.*?)>(.*?)<(\\/noframes.*?)>/si","",$str); //過濾noframes標簽
$str=preg_replace("/<(\\/?noframes.*?)>/si","",$str); //過濾noframes標簽
   
$str=preg_replace("/<(i?frame.*?)>(.*?)<(\\/i?frame.*?)>/si","",$str); //過濾frame標簽
$str=preg_replace("/<(\\/?i?frame.*?)>/si","",$str); //過濾frame標簽
   
$str=preg_replace("/<(script.*?)>(.*?)<(\\/script.*?)>/si","",$str); //過濾script標簽
$str=preg_replace("/<(\\/?script.*?)>/si","",$str); //過濾script標簽
$str=preg_replace("/javascript/si","Javascript",$str); //過濾script標簽
$str=preg_replace("/vbscript/si","Vbscript",$str); //過濾script標簽
$str=preg_replace("/on([a-z]+)\\s*=/si","On\\\\1=",$str); //過濾script標簽
$str=preg_replace("/&#/si","&＃",$str); //過濾script標簽，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標簽的正則表達式：

]+>
  
//過濾所有html標簽的屬性的正則表達式：
  
$html = preg_replace("/<([a-zA-Z]+)[^>]*>/","<\\\\1>",$html);