PHP过滤各种HTML标签的表达式

 

 1 $str=preg_replace("/<\s*img\s+[^>]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i", " ", $str); //过滤img标签
 2 
 3 $str=preg_replace("/\s+/", " ", $str); //过滤多余回车
 4 
 5 $str=preg_replace("/<[ ]+/si","<",$str); //过滤<__("<"号后面带空格)
 6 
 7 $str=preg_replace("/<\!--.*?-->/si","",$str); //注释
 8 
 9 $str=preg_replace("/<(\!.*?)>/si","",$str); //过滤DOCTYPE
10 
11 $str=preg_replace("/<(\/?html.*?)>/si","",$str); //过滤html标签
12 
13 $str=preg_replace("/<(\/?head.*?)>/si","",$str); //过滤head标签
14 
15 $str=preg_replace("/<(\/?meta.*?)>/si","",$str); //过滤meta标签
16 
17 $str=preg_replace("/<(\/?body.*?)>/si","",$str); //过滤body标签
18 
19 $str=preg_replace("/<(\/?link.*?)>/si","",$str); //过滤link标签
20 
21 $str=preg_replace("/<(\/?form.*?)>/si","",$str); //过滤form标签
22 
23 $str=preg_replace("/cookie/si","COOKIE",$str); //过滤COOKIE标签
24 
25 $str=preg_replace("/<(applet.*?)>(.*?)<(\/applet.*?)>/si","",$str); //过滤applet标签
26 
27 $str=preg_replace("/<(\/?applet.*?)>/si","",$str); //过滤applet标签
28 
29 $str=preg_replace("/<(style.*?)>(.*?)<(\/style.*?)>/si","",$str); //过滤style标签
30 
31 $str=preg_replace("/<(\/?style.*?)>/si","",$str); //过滤style标签
32 
33 $str=preg_replace("/<(title.*?)>(.*?)<(\/title.*?)>/si","",$str); //过滤title标签
34 
35 $str=preg_replace("/<(\/?title.*?)>/si","",$str); //过滤title标签
36 
37 $str=preg_replace("/<(object.*?)>(.*?)<(\/object.*?)>/si","",$str); //过滤object标签
38 
39 $str=preg_replace("/<(\/?objec.*?)>/si","",$str); //过滤object标签
40 
41 $str=preg_replace("/<(noframes.*?)>(.*?)<(\/noframes.*?)>/si","",$str); //过滤noframes标签
42 
43 $str=preg_replace("/<(\/?noframes.*?)>/si","",$str); //过滤noframes标签
44 
45 $str=preg_replace("/<(i?frame.*?)>(.*?)<(\/i?frame.*?)>/si","",$str); //过滤frame标签
46 
47 $str=preg_replace("/<(\/?i?frame.*?)>/si","",$str); //过滤frame标签
48 
49 $str=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$str); //过滤script标签
50 
51 $str=preg_replace("/<(\/?script.*?)>/si","",$str); //过滤script标签
52 
53 $str=preg_replace("/javascript/si","Javascript",$str); //过滤script标签
54 
55 $str=preg_replace("/vbscript/si","Vbscript",$str); //过滤script标签
56 
57 $str=preg_replace("/on([a-z]+)\s*=/si","On\\1=",$str); //过滤script标签
58 
59 $str=preg_replace("/&#/si","&＃",$str); //过滤script标签

 

posted @ 2016-06-30 11:19  _DongGe  阅读(178)  评论(0)    收藏  举报