[php] PHP正則表達式過濾html

房東：張先生
發表時間：2012-10-24

$contents = preg_replace("/\s+/", " ", $contents); //過濾多餘回車

    $contents=preg_replace("/<[ ]+/si","<",$contents); //過濾<__("<"號後面帶空格)

$contents=preg_replace("/<\!--.*?-->/si","",$contents); //註釋

$contents=preg_replace("/<(\!.*?)>/si","",$contents); //過濾DOCTYPE

$contents=preg_replace("/<(\/?html.*?)>/si","",$contents); //過濾html標籤

$contents=preg_replace("/<(\/?meta.*?)>/si","",$contents); //過濾meta標籤

$contents=preg_replace("/<(\/?body.*?)>/si","",$contents); //過濾body標籤

$contents=preg_replace("/<(\/?link.*?)>/si","",$contents); //過濾link標籤

$contents=preg_replace("/<(\/?form.*?)>/si","",$contents); //過濾form標籤

$contents=preg_replace("/cookie/si","COOKIE",$contents); //過濾COOKIE標籤

$contents=preg_replace("/<(applet.*?)>(.*?)<(\/applet.*?)>/si","",$contents); //過濾applet標籤

$contents=preg_replace("/<(\/?applet.*?)>/si","",$contents); //過濾applet標籤

$contents=preg_replace("/<(style.*?)>(.*?)<(\/style.*?)>/si","",$contents); //過濾style標籤

$contents=preg_replace("/<(\/?style.*?)>/si","",$contents); //過濾style標籤

$contents=preg_replace("/<(title.*?)>(.*?)<(\/title.*?)>/si","",$contents); //過濾title標籤

$contents=preg_replace("/<(\/?title.*?)>/si","",$contents); //過濾title標籤

$contents=preg_replace("/<(object.*?)>(.*?)<(\/object.*?)>/si","",$contents); //過濾object標籤

$contents=preg_replace("/<(\/?objec.*?)>/si","",$contents); //過濾object標籤

$contents=preg_replace("/<(noframes.*?)>(.*?)<(\/noframes.*?)>/si","",$contents); //過濾noframes標籤

$contents=preg_replace("/<(\/?noframes.*?)>/si","",$contents); //過濾noframes標籤

$contents=preg_replace("/<(i?frame.*?)>(.*?)<(\/i?frame.*?)>/si","",$contents); //過濾frame標籤

$contents=preg_replace("/<(\/?i?frame.*?)>/si","",$contents); //過濾frame標籤

$contents=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$contents); //過濾script標籤

$contents=preg_replace("/<(\/?script.*?)>/si","",$contents); //過濾script標籤

$contents=preg_replace("/javascript/si","Javascript",$contents); //過濾script標籤

$contents=preg_replace("/vbscript/si","Vbscript",$contents); //過濾script標籤

$contents=preg_replace("/on([az]+)\s*=/si","On\\1=",$contents); //過濾script標籤

$contents=preg_replace("/&#/si","&#",$contents); //過濾script標籤，如javAsCript:alert('aabb)

$contents=preg_replace("/<(\/?table.*?)>/si","",$contents); //過濾table標籤

$contents=preg_replace("/<(\/?tr.*?)>/si","",$contents); //過濾tr標籤

$contents=preg_replace("/<(\/?tbody.*?)>/si","",$contents); //過濾tbody標籤

$contents=preg_replace("/<(\/?td.*?)>/si",",",$contents); //過濾td標籤

$contents=preg_replace("/<(\/?img.*?)>/si","",$contents); //過濾img標籤

$contents=preg_replace("/<(\/?input.*?)>/si","",$contents); //過濾input標籤

$contents=preg_replace("/<(\/?font.*?)>/si","",$contents); //過濾font標籤

$contents=preg_replace("/<(\/?th.*?)>/si","",$contents); //過濾th標籤

$contents=preg_replace("/<(head.*?)>(.*?)<(\/head.*?)>/si","",$contents); //過濾head標籤

$contents=preg_replace("/<(select.*?)>(.*?)<(\/select.*?)>/si","",$contents); //過濾select標籤

$contents=preg_replace("/<(strong.*?)>(.*?)<(\/strong.*?)>/si","",$contents); //過濾strong標籤

$contents=preg_replace("/<(label.*?)>(.*?)<(\/label.*?)>/si","",$contents); //過濾label標籤

$contents=preg_replace("/<(a.*?)>(.*?)<(\/a.*?)>/si","",$contents); //過濾a標籤

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1 樓住戶：jack
發表時間：2012-10-24

$str = "abc <我是誰 > ghi (正則表示式) fffjkl[你是誰] < opq uv";//原文
$pattern = "/<[^>^<]*>/";// 正則表示式格式用於比對
$replacement = ""; // 以此(空)字串來取代 (即刪除)
$newStr = preg_replace($pattern, $replacement, $str);
echo $newStr;

?>

2 樓住戶：jeff
發表時間：2012-10-26

移除[ ] 主題

$str='[分享] 好租好賣最優值';
$str2='[問題] 誠心指教!';
$str3='[討論]地產會泡沫化?';

echo preg_replace('/\[[^\]]+\]/','',$str);

echo preg_replace('/\[[^\]]+\]/','',$str2);

echo preg_replace('/\[[^\]]+\]/','',$str3);

?>

3 樓住戶：creakj
發表時間：2012-11-02

移除[] or () 後面文字

$str1 = '打工20歲(40p)回復 1# Soldie';
$str2 = '新竹加油站[30P]........回復 1# g'

echo substr($str1, 0, strrpos($str1, ')') + 1);
echo substr($str2, 0, strrpos($str2, ']') + 1);

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[php] PHP正則表達式 過濾html

[php] PHP正則表達式過濾html