去除Html标签

 
  1. /// <summary>
  2.         /// 去除HTML标记
  3.         /// </summary>
  4.         /// <param name="NoHTML">包括HTML的源码 </param>
  5.         /// <returns>已经去除后的文字</returns>
  6.         public string NoHTML(string Htmlstring)
  7.         {   
  8.             //删除脚本
  9.             Htmlstring = Regex.Replace(Htmlstring,@"<script[^>]*?>.*?</script>","",RegexOptions.IgnoreCase);
  10.             //删除HTML
  11.             Htmlstring = Regex.Replace(Htmlstring,@"<(.[^>]*)>","",RegexOptions.IgnoreCase);
  12.             Htmlstring = Regex.Replace(Htmlstring,@"([/r/n])[/s]+","",RegexOptions.IgnoreCase);
  13.             Htmlstring = Regex.Replace(Htmlstring,@"-->","",RegexOptions.IgnoreCase);
  14.             Htmlstring = Regex.Replace(Htmlstring,@"<!--.*","",RegexOptions.IgnoreCase);
  15.             Htmlstring = Regex.Replace(Htmlstring,@"&(quot|#34);","/"",RegexOptions.IgnoreCase);
  16.             Htmlstring = Regex.Replace(Htmlstring,@"&(amp|#38);","&",RegexOptions.IgnoreCase);
  17.             Htmlstring = Regex.Replace(Htmlstring,@"&(lt|#60);","<",RegexOptions.IgnoreCase);
  18.             Htmlstring = Regex.Replace(Htmlstring,@"&(gt|#62);",">",RegexOptions.IgnoreCase);
  19.             Htmlstring = Regex.Replace(Htmlstring,@"&(nbsp|#160);"," ",RegexOptions.IgnoreCase);
  20.             Htmlstring = Regex.Replace(Htmlstring,@"&(iexcl|#161);","/xa1",RegexOptions.IgnoreCase);
  21.             Htmlstring = Regex.Replace(Htmlstring,@"&(cent|#162);","/xa2",RegexOptions.IgnoreCase);
  22.             Htmlstring = Regex.Replace(Htmlstring,@"&(pound|#163);","/xa3",RegexOptions.IgnoreCase);
  23.             Htmlstring = Regex.Replace(Htmlstring,@"&(copy|#169);","/xa9",RegexOptions.IgnoreCase);
  24.             Htmlstring = Regex.Replace(Htmlstring, @"&#(/d+);","",RegexOptions.IgnoreCase);
  25.             Htmlstring.Replace("<","");
  26.             Htmlstring.Replace(">","");
  27.             Htmlstring.Replace("/r/n","");
  28.             Htmlstring=HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();
  29.             return Htmlstring;
  30.         } 
原文地址:https://www.cnblogs.com/dingdingmao/p/3146591.html