using System.Text.RegularExpressions /// <summary> /// 去除HTML标记 /// </summary> /// <param name="NoHTML">包括HTML的源码 </param> /// <returns>已经去除后的文字</returns> public static string NoHTML(string Htmlstring) { //删除脚本 Htmlstring = Regex.Replace(Htmlstring,@"<script[^>]*?>.*?</script>","",RegexOptions.IgnoreCase); //删除HTML Htmlstring = Regex.Replace(Htmlstring,@"<(.[^>]*)>","",RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"([ ])[s]+","",RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"-->","",RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"<!--.*","",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.Replace("<",""); Htmlstring.Replace(">",""); Htmlstring.Replace(" ",""); Htmlstring=HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim(); return Htmlstring; } 写一个静态方法 #region 移除HTML标签 /// <summary> /// 移除HTML标签 /// </summary> /// <param name="HTMLStr">HTMLStr</param> public static string ParseTags(string HTMLStr) { return System.Text.RegularExpressions.Regex.Replace(HTMLStr, "<[^>]*>", ""); } #endregion #region 取出文本中的图片地址 /// <summary> /// 取出文本中的图片地址 /// </summary> /// <param name="HTMLStr">HTMLStr</param> public static string GetImgUrl(string HTMLStr) { string str = string.Empty; string sPattern = @"^<imgs+[^>]*>"; Regex r = new Regex(@"<imgs+[^>]*s*srcs*=s*([']?)(?<url>S+)'?[^>]*>", RegexOptions.Compiled); Match m = r.Match(HTMLStr.ToLower()); if (m.Success) str = m.Result("${url}"); return str; } #endregion