【.net】利用正则表达式过滤字符串中的HTML代码

/// <summary>
/// 过滤字符串中的html代码
/// </summary>
/// <param name="Str">传入字符串</param>
/// <returns>过滤后的字符串</returns>
public static string LostHTML(string Str)
{
string Re_Str = "";
if (Str != null)
{
if (Str != string.Empty)
{
string Pattern = "<\\/*[^<>]*>";
Re_Str = Regex.Replace(Str, Pattern, "");
}
}
return (Re_Str.Replace("\\r\\n", "")).Replace("\\r", "");
}