/// <summary>///  判断string类型否为数字/// </summary>/// <param name="strNumber"></param>/// <returns></returns>public static bool IsNumber(string strNumber){string strValidRealPattern = "^([-]|[.]|[-.]|[0-9])[0-9]*[.]*[0-9]+$";string strValidIntegerPattern = "^([-]|[0-9])[0-9]*$";return !Regex.IsMatch(strNumber, "[^0-9.-]") &&!Regex.IsMatch(strNumber, "[0-9]*[.][0-9]*[.][0-9]*") &&!Regex.IsMatch(strNumber, "[0-9]*[-][0-9]*[-][0-9]*") &&Regex.IsMatch(strNumber, "(" + strValidRealPattern + ")|(" + strValidIntegerPattern + ")");}/// <summary>/// 判断string类型否为正整数+0/// </summary>/// <param name="strNumber"></param>/// <returns></returns>public static bool IsPositive(string strNumber) => Regex.IsMatch(strNumber, "^\\d+$");/// <summary>/// 判断string类型否为金额/// </summary>/// <param name="strNumber"></param>/// <returns></returns>public static bool IsAmount(string strNumber) => Regex.IsMatch(strNumber, "^[0-9]+(.[0-9]{2})?$");/// <summary>/// 判断string类型否为手机号/// </summary>/// <param name="strPhone"></param>/// <returns></returns>public static bool IsPhone(string strPhone) => Regex.IsMatch(strPhone, "^0?(13[0-9]|15[012356789]|18[012356789]|14[012356789]|17[012356789])[0-9]{8}$");/// <summary>/// 判断string类型否为固定电话号/// </summary>/// <param name="strTel"></param>/// <returns></returns>public static bool IsTel(string strTel) => Regex.IsMatch(strTel, "^(0[0-9]{2,3}-)?([2-9][0-9]{6,7})+(-[0-9]{1,4})?$");/// <summary>/// 判断string类型否为邮编/// </summary>/// <param name="strZipCode"></param>/// <returns></returns>public static bool IsZipCode(string strZipCode) => Regex.IsMatch(strZipCode, "[0-9]{6}");/// <summary>/// 判断string类型否为Email/// </summary>/// <param name="strEmail"></param>/// <returns></returns>public static bool IsEmail(string strEmail) => Regex.IsMatch(strEmail, "\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");/// <summary>/// 判断是否为日期/// </summary>/// <param name="dateStr"></param>/// <returns></returns>public static bool IsDateString(string dateStr) => DateTime.TryParse(dateStr, out var date);