身份证号码正则
private bool CheckIDCard(string Id) { if (Id.Length == 18) { bool check = CheckIDCard18(Id); return check; } else if (Id.Length == 15) { bool check = CheckIDCard15(Id); return check; } else { return false; } } private bool CheckIDCard18(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 } private bool CheckIDCard15(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 }
中文名字正则
public bool IsZhName(string str_IsZhName) { return System.Text.RegularExpressions.Regex.IsMatch(str_IsZhName, @"(^[\u4e00-\u9fa5]{2,4}$)"); }
出生日期正则
private bool CheckDate(string Id) { string birth = Id; DateTime time = new DateTime(); if (DateTime.TryParse(birth, out time) == false) { return false;//生日验证 } return true;//符合GB11643-1999标准 }
电话号码正则
--电话号码与手机号码同时验证 public bool IsPhone(string str_IsPhoe) { return System.Text.RegularExpressions.Regex.IsMatch(str_IsPhoe, @"(^(\d{3,4}-)?\d{7,8})$|(1[3-9][0-9]{9})$"); }
数字正则-判断是否为数字
private static bool IsNumeric(string itemValue) { return System.Text.RegularExpressions.Regex.IsMatch(itemValue, @"(^\d{8}$)"); }
日期计算函数
protected double CheckDateDiff(DateTime dt1,DateTime dt2) { DateTime t1 =dt1; DateTime t2 =dt2; System.TimeSpan ts = t2 - t1; double days = ts.TotalDays; return days; }