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
