利用正则过滤各种标签，空格，换行符的代码

收集php利用正则过滤各种标签，空格，换行符的代码：
01
$str=preg_replace("/s+/", " ", $str); //过滤多余回车

02
$str=preg_replace("/<[ ]+/si","<",$str); //过滤<__("<"号后面带空格)

03
$str=preg_replace("/<!–.*?–>/si","",$str); //注释

04
$str=preg_replace("/<(!.*?)>/si","",$str); //过滤DOCTYPE

05
$str=preg_replace("/<(/?html.*?)>/si","",$str); //过滤html标签

06
$str=preg_replace("/<(/?head.*?)>/si","",$str); //过滤head标签

07
$str=preg_replace("/<(/?meta.*?)>/si","",$str); //过滤meta标签

08
$str=preg_replace("/<(/?body.*?)>/si","",$str); //过滤body标签

09
$str=preg_replace("/<(/?link.*?)>/si","",$str); //过滤link标签

10
$str=preg_replace("/<(/?form.*?)>/si","",$str); //过滤form标签

11
$str=preg_replace("/cookie/si","COOKIE",$str); //过滤COOKIE标签

12
$str=preg_replace("/<(applet.*?)>(.*?)<(/applet.*?)>/si","",$str); //过滤applet标签

13
$str=preg_replace("/<(/?applet.*?)>/si","",$str); //过滤applet标签

14
$str=preg_replace("/<(style.*?)>(.*?)<(/style.*?)>/si","",$str); //过滤style标签

15
$str=preg_replace("/<(/?style.*?)>/si","",$str); //过滤style标签

16
$str=preg_replace("/<(title.*?)>(.*?)<(/title.*?)>/si","",$str); //过滤title标签

17
$str=preg_replace("/<(/?title.*?)>/si","",$str); //过滤title标签

18
$str=preg_replace("/<(object.*?)>(.*?)<(/object.*?)>/si","",$str); //过滤object标签

19
$str=preg_replace("/<(/?objec.*?)>/si","",$str); //过滤object标签

20
$str=preg_replace("/<(noframes.*?)>(.*?)<(/noframes.*?)>/si","",$str); //过滤noframes标签

21
$str=preg_replace("/<(/?noframes.*?)>/si","",$str); //过滤noframes标签

22
$str=preg_replace("/<(i?frame.*?)>(.*?)<(/i?frame.*?)>/si","",$str); //过滤frame标签

23
$str=preg_replace("/<(/?i?frame.*?)>/si","",$str); //过滤frame标签

24
$str=preg_replace("/<(script.*?)>(.*?)<(/script.*?)>/si","",$str); //过滤script标签

25
$str=preg_replace("/<(/?script.*?)>/si","",$str); //过滤script标签

26
$str=preg_replace("/javascript/si","Javascript",$str); //过滤script标签

27
$str=preg_replace("/vbscript/si","Vbscript",$str); //过滤script标签

28
$str=preg_replace("/on([a-z]+)s*=/si","On\1=",$str); //过滤script标签

29
$str=preg_replace("/&#/si","&＃",$str); //过滤script标签