c#去除html标签

public static string DislodgeHtml(string strHtml)

       {

           string[] aryReg ={

                       @"<script[^>]*?>.*?</script>",

                       @"<(\/\s*)?!?((\w+:)?\w+)(\w+(\s*=?\s*(([""'])(\\[""'tbnr]|[^\7])*?\7|\w+)|.{0})|\s)*?(\/\s*)?>",

                       @"([\r\n])[\s]+",

                       @"&(quot|#34);",

                       @"&(amp|#38);",

                       @"&(lt|#60);",

                       @"&(gt|#62);",

                       @"&(nbsp|#160);",

                       @"&(iexcl|#161);",

                       @"&(cent|#162);",

                       @"&(pound|#163);",

                       @"&(copy|#169);",

                       @"&#(\d+);",

                       @"-->",

                       @"<!--.*\n"

                       };

           string newReg = aryReg[0];

           string strOutput = strHtml;

           for (int i = 0; i < aryReg.Length; i++)

           {

               Regex regex = new Regex(aryReg[i], RegexOptions.IgnoreCase);

               strOutput = regex.Replace(strOutput, string.Empty);

           }

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

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

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

           return strOutput;

       }