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$str=preg_replace("http://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(
php技術：php正則過濾html標簽、空格、換行符的代碼(附說明)，轉載需保留來源！
鄭重聲明：本文版權歸原作者所有，轉載文章僅為傳播更多信息之目的，如作者信息標記有誤，請第一時間聯系我們修改或刪除，多謝。
