C#判断是否是小数及整数

 /// <summary>
        /// 判断金额格式是否正确
        /// </summary>
        /// <param name="Text">文本 </param>
        /// <returns></returns>
        public static bool IsNum(string Text)
        {
            Regex rx = new Regex(@"^[0-9]+(.[0-9]{1,2})?$");
            if (rx.IsMatch(Text))
            {
                return true;
            }
            else
            {
                return false;
            }
        }