static void Main(string[] args)
{
string machineFormat = "A227720-35988";
bool isMachineFormat = BankUtil.CorrectNumber(ref machineFormat);
if (isMachineFormat)
{
Console.WriteLine($"{machineFormat} - {BankUtil.IsValidAccount(machineFormat)}");
}
else
{
Console.WriteLine("Account number incorrect!");
}
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
public bool IsValid()
{
return(BankUtil.IsValidAccount(Account));
}