public bool ValidateCheckDigit(string Policy)
{
if (Policy.Length != 7 || !RegexPolicy.IsMatch(Policy))
{
return(false);
}
return(CheckDigit(EncodePolicy(Policy)) == Policy.Substring(6, 1));
}
public string EncodePolicy(string Policy)
{
if (Policy.Length != 7)
{
throw new BusinessRuleException("Policy (" + Policy + ") must be 7 characters long.");
}
if (!RegexPolicy.IsMatch(Policy))
{
throw new BusinessRuleException("Policy (" + Policy + ") not a valid sequence.");
}
return(ConvertPolicyChar(Policy.Substring(0, 1)) + "0" +
ConvertPolicyChar(Policy.Substring(1, 1)) +
Policy.Substring(2, 4));
}
