private void Initialize(string identityNumber)
{
if (identityNumber.IsNullOrEmptyTrimmed())
{
return;
}
const string numericPattern = @"^\d{13}$";
IdentityNumber = identityNumber.Trim();
if (IdentityNumber.Length != 13)
{
return;
}
var isMatch = Regex.IsMatch(IdentityNumber, numericPattern);
if (!isMatch)
{
return;
}
var month = int.Parse(identityNumber.Substring(2, 2));
if (month < 1 || month > 12)
{
return;
}
var day = int.Parse(identityNumber.Substring(4, 2));
if (day < 1 || day > 31)
{
return;
}
var digits = new int[13];
for (var i = 0; i < 13; i++)
{
digits[i] = int.Parse(IdentityNumber.Substring(i, 1));
}
var control1 = digits.Where((v, i) => i % 2 == 0 && i < 12).Sum();
var second = string.Empty;
digits.Where((v, i) => i % 2 != 0 && i < 12).ToList().ForEach(v => second += v.ToString(CultureInfo.InvariantCulture));
var string2 = (int.Parse(second) * 2).ToString(CultureInfo.InvariantCulture);
var control2 = string2.Select((t, i) => int.Parse(string2.Substring(i, 1))).Sum();
var control = (10 - (control1 + control2) % 10) % 10;
if (digits[12] != control)
{
return;
}
IsFemale = digits[6] < 5;
IsMale = !IsFemale;
IsSouthAfrican = digits[10] == 0;
IsValid = true;
}
private void Initialize(string identityNumber)
{
IdentityNumber = (identityNumber ?? string.Empty).Replace(" ", "");
if (IdentityNumber.Length == 13)
{
int[] digits = new int[13];
for (int i = 0; i < 13; i++)
{
digits[i] = int.Parse(IdentityNumber.Substring(i, 1));
}
int control1 = digits.Where((v, i) => i % 2 == 0 && i < 12).Sum();
string second = string.Empty;
digits.Where((v, i) => i % 2 != 0 && i < 12).ToList().ForEach(v =>
second += v.ToString());
string string2 = (int.Parse(second) * 2).ToString();
int control2 = 0;
for (int i = 0; i < string2.Length; i++)
{
control2 += int.Parse(string2.Substring(i, 1));
}
int control = (10 - ((control1 + control2) % 10)) % 10;
if (digits[12] == control)
{
BirthDate = DateTime.ParseExact(IdentityNumber
.Substring(0, 6), "yyMMdd", null);
Gender = digits[6] < 5 ? "Female" : "Male";
IsSouthAfrican = digits[10] == 0;
if (BirthDate > DateTime.Now)
{
IsValid = false;
return;
}
Age = CalculateAge(BirthDate);
AgeToLongString = CalculateAgeToLongString(BirthDate);
IsValid = true;
}
}
validateRSAidnumber(identityNumber);
}