文章的body字段屏蔽a標(biāo)簽和iframe標(biāo)簽

{dede:field.body runphp="yes"}
    $str=@me;
    @me='';
    $str1='';
    $str1 = preg_replace( "@<iframe(.*?)</iframe>@is", "", $str ); 
    $str1 = preg_replace("/<a[^>]*>(.*?)<\/a>/is", "$1", $str1);
    @me=$str1;
{/dede:field.body}

以下是過濾其他標(biāo)簽的正則表達(dá)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(biāo)簽
$str=preg_replace("/<(\/?br.*?)>/si","",$str); //過濾br標(biāo)簽
$str=preg_replace("/<(\/?head.*?)>/si","",$str); //過濾head標(biāo)簽
$str=preg_replace("/<(\/?meta.*?)>/si","",$str); //過濾meta標(biāo)簽
$str=preg_replace("/<(\/?body.*?)>/si","",$str); //過濾body標(biāo)簽
$str=preg_replace("/<(\/?link.*?)>/si","",$str); //過濾link標(biāo)簽
$str=preg_replace("/<(\/?form.*?)>/si","",$str); //過濾form標(biāo)簽
$str=preg_replace("/cookie/si","COOKIE",$str); //過濾COOKIE標(biāo)簽
$str=preg_replace("/<(applet.*?)>(.*?)<(\/applet.*?)>/si","",$str); //過濾applet標(biāo)簽
$str=preg_replace("/<(\/?applet.*?)>/si","",$str); //過濾applet標(biāo)簽
$str=preg_replace("/<(style.*?)>(.*?)<(\/style.*?)>/si","",$str); //過濾style標(biāo)簽
$str=preg_replace("/<(\/?style.*?)>/si","",$str); //過濾style標(biāo)簽
$str=preg_replace("/<(title.*?)>(.*?)<(\/title.*?)>/si","",$str); //過濾title標(biāo)簽
$str=preg_replace("/<(\/?title.*?)>/si","",$str); //過濾title標(biāo)簽
$str=preg_replace("/<(object.*?)>(.*?)<(\/object.*?)>/si","",$str); //過濾object標(biāo)簽
$str=preg_replace("/<(\/?objec.*?)>/si","",$str); //過濾object標(biāo)簽
$str=preg_replace("/<(noframes.*?)>(.*?)<(\/noframes.*?)>/si","",$str); //過濾noframes標(biāo)簽
$str=preg_replace("/<(\/?noframes.*?)>/si","",$str); //過濾noframes標(biāo)簽
$str=preg_replace("/<(i?frame.*?)>(.*?)<(\/i?frame.*?)>/si","",$str); //過濾frame標(biāo)簽
$str=preg_replace("/<(\/?i?frame.*?)>/si","",$str); //過濾frame標(biāo)簽
$str=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$str); //過濾script標(biāo)簽
$str=preg_replace("/<(\/?script.*?)>/si","",$str); //過濾script標(biāo)簽
$str=preg_replace("/javascript/si","Javascript",$str); //過濾script標(biāo)簽
$str=preg_replace("/vbscript/si","Vbscript",$str); //過濾script標(biāo)簽
$str=preg_replace("/on([a-z]+)\s*=/si","On\\1=",$str); //過濾script標(biāo)簽
$str=preg_replace("/&#/si","&＃",$str); //過濾script標(biāo)簽，

$str = preg_replace( "@<script(.*?)</script>@is", "", $str ); //過濾script代碼
$str = preg_replace( "@<iframe(.*?)</iframe>@is", "", $str );
$str = preg_replace( "@<style(.*?)</style>@is", "", $str );
$str = preg_replace( "@<(.*?)>@is", "", $str ); 

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