#region 验证身份证是否有效
/** <summary>/// 验证身份证是否有效/// </summary>/// <param name="Id"></param>/// <returns></returns>public static bool IsIDCard(string Id){ if (Id.Length == 18){ bool check = IsIDCard18(Id);return check;}else if (Id.Length == 15){ bool check = IsIDCard15(Id);return check;}else{ return false;}}public static bool IsIDCard18(string Id)
{ long n = 0;if (long.TryParse(Id.Remove(17), out n) == false || n < Math.Pow(10, 16) || long.TryParse(Id.Replace('x', '0').Replace('X', '0'), out n) == false){ return false;//数字验证}string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";if (address.IndexOf(Id.Remove(2)) == -1){ return false;//省份验证}string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");DateTime time = new DateTime();if (DateTime.TryParse(birth, out time) == false){ return false;//生日验证}string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');char[] Ai = Id.Remove(17).ToCharArray();int sum = 0;for (int i = 0; i < 17; i++){ sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());}int y = -1;Math.DivRem(sum, 11, out y);if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower()){ return false;//校验码验证}return true;//符合GB11643-1999标准}public static bool IsIDCard15(string Id)
{ long n = 0;if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14)){ return false;//数字验证}string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";if (address.IndexOf(Id.Remove(2)) == -1){ return false;//省份验证}string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");DateTime time = new DateTime();if (DateTime.TryParse(birth, out time) == false){ return false;//生日验证}return true;//符合15位身份证标准}#endregion#region 是不是Int型的
/** <summary>/// 是不是Int型的/// </summary>/// <param name="source"></param>/// <returns></returns>public static bool IsInt(string source){ Regex regex = new Regex(@"^(-){0,1}\d+$");if (regex.Match(source).Success){ if ((long.Parse(source) > 0x7fffffffL) || (long.Parse(source) < -2147483648L)){ return false;}return true;}return false;}#endregion#region 看字符串的长度是不是在限定数之间 一个中文为两个字符
/** <summary>/// 看字符串的长度是不是在限定数之间 一个中文为两个字符/// </summary>/// <param name="source">字符串</param>/// <param name="begin">大于等于</param>/// <param name="end">小于等于</param>/// <returns></returns>public static bool IsLengthStr(string source, int begin, int end){ int length = Regex.Replace(source, @"[^\x00-\xff]", "OK").Length;if ((length <= begin) && (length >= end)){ return false;}return true;}#endregion#region 是不是中国电话，格式010-85849685
/** <summary>/// 是不是中国电话，格式010-85849685/// </summary>/// <param name="source"></param>/// <returns></returns>public static bool IsTel(string source){ return Regex.IsMatch(source, @"^\d{3,4}-?\d{6,8}$", RegexOptions.IgnoreCase);}#endregion#region 邮政编码 6个数字
/** <summary>/// 邮政编码 6个数字/// </summary>/// <param name="source"></param>/// <returns></returns>public static bool IsPostCode(string source){ return Regex.IsMatch(source, @"^\d{6}$", RegexOptions.IgnoreCase);}#endregion#region 中文
/** <summary>/// 中文/// </summary>/// <param name="source"></param>/// <returns></returns>public static bool IsChinese(string source){ return Regex.IsMatch(source, @"^[\u4e00-\u9fa5]+$", RegexOptions.IgnoreCase);}public static bool hasChinese(string source){ return Regex.IsMatch(source, @"[\u4e00-\u9fa5]+", RegexOptions.IgnoreCase);}#endregion#region 验证是不是正常字符 字母，数字，下划线的组合
/** <summary>/// 验证是不是正常字符 字母，数字，下划线的组合/// </summary>/// <param name="source"></param>/// <returns></returns>public static bool IsNormalChar(string source){ return Regex.IsMatch(source, @"[\w\d_]+", RegexOptions.IgnoreCase);}#endregion