asp.net去掉註釋字符

using System.Text.RegularExpressions;

string adf = "哈哈哈哈11<!--sdf -->哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈";
adf = Regex.Replace(adf, @"<[^>]*>", "", RegexOptions.IgnoreCase);