PHP中過濾常用標簽的正則表達式

$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

文章名稱：PHP中過濾常用標簽的正則表達式
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