ASP.NET 清除 HTML 标记函数

2022-07-15 80酷酷网 80kuku.com

　　实际需要写的一个 ASP.NET 清除 HTML 标记的函数，给大家一起学习一下，相信大家都能看懂。

以下为引用的内容：
//清除HTML函数
public static string NoHTML(string Htmlstring)
{

//删除脚本

Htmlstring = Regex.Replace(Htmlstring, "<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);

//删除HTML

Htmlstring = Regex.Replace(Htmlstring, "<(.[^>]*)>", "", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "([\r\n])[\s]+", "", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "-->", "", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "<!--.*", "", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(quot#34);", "\"", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(amp#38);", "&", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(lt#60);", "<", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(gt#62);", ">", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(nbsp#160);", " ", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(iexcl#161);", "\xa1", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(cent#162);", "\xa2", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(pound#163);", "\xa3", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, "&(copy#169);", "\xa9", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, "&#(\d+);", "", RegexOptions.IgnoreCase);

Htmlstring.Replace("<", "");

Htmlstring.Replace(">", "");

Htmlstring.Replace("\r\n", "");

Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();

return Htmlstring;

}