c#后台替换html标签的方法
public static string ReplaceHtmlTag(string html)
{
string strText = System.Text.RegularExpressions.Regex.Replace(html, "<span>", "");
strText = System.Text.RegularExpressions.Regex.Replace(strText, "</span>", "");
strText = System.Text.RegularExpressions.Regex.Replace(strText,"</br>","");
return strText;
}