验证世界各国日期的类-正则表达式验证。

 

    /// <summary>
        /// 验证日期字符串是否合法
        /// </summary>
        /// <param name="sDate">要验证的日期字符串</param>
        /// <param name="sCultrue">日期格式，所处的语言环境，dotNet的CultrueInfo的参数 ：zh-CN</param>
        /// <returns>是否通过验证</returns>
        public static bool IsDate(string sDate, string sCultrue)
        { 
            string sTmpDate = "";
            bool bRight = false;
            switch (sCultrue)
            {
                case "Machine": //yyyyMMdd TimeSpan
                    if (IsValidData(sDate, @"^(19\d{2}|20\d{2})(0[1-9]|1[0-2])(0[1-9]|[12][0-9]|3[01])$"))
                    {
                        bRight = true;
                        sTmpDate = sDate;
                    }
                    break;
                case "zh-CN": //yyyy-MM-dd 中文 - 中國 
                    if (IsValidData(sDate, @"^(19\d{2}|20\d{2})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])$"))
                    {
                        bRight = true;
                        sTmpDate = sDate.Replace("-", "");
                    }
                    break;
                case "zh-TW": //yyyy/MM/dd 中文 - 台灣 
                    if (IsValidData(sDate, @"^(19\d{2}|20\d{2})\/(0[1-9]|1[0-2])\/(0[1-9]|[12][0-9]|3[01])$"))
                    {
                        bRight = true;
                        sTmpDate = sDate.Replace("/", "");
                    }
                    break;
                case "en-GB": //dd/MM/yyyy 英文 - 英國
                    if (IsValidData(sDate, @"^(0[1-9]|[12][0-9]|3[01])\/(0[1-9]|1[0-2])\/(19\d{2}|20\d{2})$"))
                    {
                        bRight = true;
                        sTmpDate = sDate.Replace("/", "");
                        sTmpDate = sTmpDate.Substring(4) + sTmpDate.Substring(2, 2) + sTmpDate.Substring(0, 2);
                    }
                    break;
                case "fr-FR": //dd/MM/yyyy 法文 - 法國 
                    if (IsValidData(sDate, @"^(0[1-9]|[12][0-9]|3[01])\/(0[1-9]|1[0-2])\/(19\d{2}|20\d{2})$"))
                    {
                        bRight = true;
                        sTmpDate = sDate.Replace("/", "");
                        sTmpDate = sTmpDate.Substring(4) + sTmpDate.Substring(2, 2) + sTmpDate.Substring(0, 2);
                    }
                    break;
                case "de-DE": //dd.MM.yyyy 德文 - 德國 
                    if (IsValidData(sDate, @"^(0[1-9]|[12][0-9]|3[01])\.(0[1-9]|1[0-2])\.(19\d{2}|20\d{2})$"))
                    {
                        bRight = true;
                        sTmpDate = sDate.Replace(".", "");
                        sTmpDate = sTmpDate.Substring(4) + sTmpDate.Substring(2, 2) + sTmpDate.Substring(0, 2);
                    }
                    break;
                case "en-US": //MM/dd/yyyy 英文 - 美國 

                    if (IsValidData(sDate, @"^(0[1-9]|1[0-2])\/(0[1-9]|[12][0-9]|3[01])\/(19\d{2}|20\d{2})$"))
                    {
                        bRight = true;
                        sTmpDate = sDate.Replace("/", "");
                        sTmpDate = sTmpDate.Substring(4) + sTmpDate.Substring(0, 2) + sTmpDate.Substring(2, 2);
                    }
                    break;
            }

            if (bRight == false || !IsDateStamp(sTmpDate))
                return false;
            return true;
        }

        /// <summary>
        /// 判断日期字符串是否是DateStamp类型
        /// </summary>
        /// <param name="sDate">要验证的日期字符串</param>
        /// <returns>是否通过验证</returns>
        public static bool IsDateStamp(string sDate)
        {
            bool isRight = true;
            if (IsValidData(sDate, @"^(19\d{2}|20\d{2})(0[1-9]|1[0-2])(0[1-9]|[12][0-9]|3[01])$"))
            {
                int iYear = int.Parse(sDate.Substring(0, 4));
                int iMonth = int.Parse(sDate.Substring(4, 2));
                int iDay = int.Parse(sDate.Substring(6));

                // 為小月時
                if ((iMonth == 4 || iMonth == 6 || iMonth == 9 || iMonth == 11) && iDay > 30)
                    isRight = false;
                //為閏年時
                else if (iMonth == 2 && IsLeapYear(iYear) && iDay > 29)
                    isRight = false;
                // 為平年時
                else if (iMonth == 2 && !IsLeapYear(iYear) && iDay > 28)
                    isRight = false;
            }
            else
                isRight = false;

            return isRight;
        }

        /// <summary>
        /// 验证是否是日期闰年
        /// </summary>
        /// <param name="iYear">年份</param>
        /// <returns>是否通过验证</returns>
        public static bool IsLeapYear(int iYear)
        {
            if (
               ((iYear % 100 != 0) && (iYear % 4 == 0)) ||
               ((iYear % 100 == 0) && (iYear % 400 == 0))
             )
                return true;
            else
                return false;
        }

 

调用此类，类名.isDate("要验证的字符串","zh-CN");