C#删除UL LI中指定标签里文字的方法

PromptHtml = GetData.GetHTTPInfo(Config.Prompt_Url, "utf-8");PromptHtml = PromptHtml.Replace("<ul><li>", "");PromptHtml=PromptHtml.Replace("</li></ul>", "");string ss = @"<a[/s/S]*?href=""([^" rel="external nofollow" "]*?)""[^>]*?>([/s/S]*?)</a>"; //这里MatchCollection mcTable = Regex.Matches(PromptHtml, ss);foreach (Match mTable in mcTable){  if (mTable.Success)  {    PromptHtml = mTable.Groups[2].Value;  }}resultHtml = PromptHtml;

middlebannerHtml = GetData.GetHTTPInfo(Config.Middlebanner_Url, "utf-8");middlebannerHtml = middlebannerHtml.Replace("<ul><li>", "");middlebannerHtml = middlebannerHtml.Replace("</li></ul>", "");string ss = @"<span>([^<]+)</span>"; //这里MatchCollection mcTable = Regex.Matches(middlebannerHtml, ss);foreach (Match mTable in mcTable){  if (mTable.Success)  {    middlebannerHtml = mTable.Groups[1].Value;  }}middleContent = middlebannerHtml;