C # method to remove HTML tags

Original link: http://www.cnblogs.com/TSPWater/archive/2011/10/11/2206814.html

public  static  string ExecRepaceHTML( string Htmlstring) 
{ 
Htmlstring = Regex.Replace(Htmlstring,  @" <script[^>]*?>.*?</script> ",  "", RegexOptions.IgnoreCase); 
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,  @" <!--.*\n ",  "", 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 = Regex.Replace(Htmlstring,  @" \s ",  ""); Htmlstring.Replace( " < ",  ""); Htmlstring.Replace( " > ",  "");
Htmlstring.Replace( " \r\n ",  ""); 
Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();
return Htmlstring;
}

Reproduced in: https: //www.cnblogs.com/TSPWater/archive/2011/10/11/2206814.html