复制代码 代码如下:

$str=preg_replace("/s+/", " ", $str); //过滤多余回车

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

$str=preg_replace("/<>/si","",$str); //注释

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

$str=preg_replace("/on([a-z]+)s*=/si","On1=",$str); //过滤script标签

$str=preg_replace("/",$str); //过滤script标签，如javAsCript:alert(

【php正则过滤html标签、空格、换行符的代码(附说明)】相关文章：

★ 用 PHP 构建自定义搜索引擎

★ php分页的功能模块分享

★ PHP巧获服务器端信息

★ php通过exif_read_data函数获取图片的exif信息

★ PHP_Flame(Version:Progress)的原代码

★ BBS(php & mysql)完整版(一)

★ PHP.MVC的模板标签系统(三)

★ PHP如何透过ODBC来存取数据库

★ 利用文件属性结合Session实现在线人数统计

★ 用cookies来跟踪识别用户