Convert HTML to plain text and remove tags

// convert HTML to plain text
string Description = System.Web.HttpUtility.HtmlDecode(HTML_encoded_string);

Description = StripTags(Description);

...

// remove tags from HTML-parsed string
private string StripTags(string HTML)
{
 System.Text.RegularExpressions.Regex objRegEx = new System.Text.RegularExpressions.Regex("<[^>]*>");

 return objRegEx.Replace(HTML, "");
}