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            php過濾HTML標簽、屬性等正則表達式

            時間:2025-08-19 05:42:50 php語言

            php過濾HTML標簽、屬性等正則表達式

              本文是百分網小編搜索整理的使用代碼實例給出了過濾HTML內容的正則表達式,具體說明請參閱代碼中的注釋,感興趣的朋友一起學習吧!!想了解更多相關信息請持續關注我們應屆畢業生考試網!

              $str=preg_replace("/\s+/", " ", $str); /pic/p>

              $str=preg_replace("/<[ ]+/si","<",$str); /pic/p>

              $str=preg_replace("/<\!--.*?-->/si","",$str); /pic/p>

              $str=preg_replace("/<(\!.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?html.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?head.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?meta.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?body.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?link.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?form.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/cookie/si","COOKIE",$str); /pic/p>

              $str=preg_replace("/<(applet.*?)>(.*?)<(\/applet.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?applet.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(style.*?)>(.*?)<(\/style.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?style.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(title.*?)>(.*?)<(\/title.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?title.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(object.*?)>(.*?)<(\/object.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?objec.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(noframes.*?)>(.*?)<(\/noframes.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?noframes.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(i?frame.*?)>(.*?)<(\/i?frame.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?i?frame.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/<(\/?script.*?)>/si","",$str); /pic/p>

              $str=preg_replace("/javascript/si","Javascript",$str); /pic/p>

              $str=preg_replace("/vbscript/si","Vbscript",$str); /pic/p>

              $str=preg_replace("/on([a-z]+)\s*=/si","On\\1=",$str); /pic/p>

              $str=preg_replace("/&#/si","&#",$str); /pic/p>

              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:

              復制代碼 代碼如下:

              </?[^>]+>

              /pic/p>

              $html = preg_replace("/<([a-zA-Z]+)[^>]*>/","<\\1>",$html);

              3,過濾部分html標簽的正則表達式的排除式(比如排除<p>,即不過濾<p>):

              復制代碼 代碼如下:

              </?[^pP/>]+>

              4,過濾部分html標簽的正則表達式的枚舉式(比如需要過濾<a><p><b>等):

              復制代碼 代碼如下:

              </?[aApPbB][^>]*>

              5,過濾部分html標簽的屬性的正則表達式的排除式(比如排除alt屬性,即不過濾alt屬性):

              復制代碼 代碼如下:

              \s(?!alt)[a-zA-Z]+=[^\s]*

              6,過濾部分html標簽的屬性的正則表達式的枚舉式(比如alt屬性):

              復制代碼 代碼如下:

              (\s)alt=[^\s]*

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