public string ClearHtml(string text)//过滤html,js,css代码
{
text = text.Trim();
if (string.IsNullOrEmpty(text))
return string.Empty;
text = Regex.Replace(text, "<head[^>]*>(?:.|[\r\n])*?</head>", "");
text = Regex.Replace(text, "<script[^>]*>(?:.|[\r\n])*?</script>", "");
text = Regex.Replace(text, "<style[^>]*>(?:.|[\r\n])*?</style>", "");
text = Regex.Replace(text, "(<[b|B][r|R]/*>)+|(<[p|P](.|\\n)*?>)", ""); //<br>
text = Regex.Replace(text, "\\&[a-zA-Z]{1,10};", "");
text = Regex.Replace(text, "<[^>]*>", "");
text = Regex.Replace(text, "(\\s*&[n|N][b|B][s|S][p|P];\\s*)+", ""); //
text = Regex.Replace(text, "<(.|\\n)*?>", string.Empty); //其它任何标记
text = Regex.Replace(text, "[\\s]{2,}", " "); //两个或多个空格替换为一个
text = text.Replace("‘", "‘‘");
text = text.Replace("\r\n", "");
text = text.Replace(" ", "");
text = text.Replace("\t", "");
return text.Trim();
}
原文:http://www.cnblogs.com/babietongtianta/p/4796687.html