static void Main(string[] args)
{
Console.WriteLine("please input your number");
var userInput = Console.ReadLine();
try
{
for (int i = 0; i < userInput.Length; i++)
{
var c = userInput[i];
CheckCharFun = null;
var type = GetCharType(c);
if (CheckCharFun.Invoke(c, i))
{
CheckedTypes.Add(type);
}
else
{
throw new Exception("not a valid number");
}
}
Console.WriteLine("success");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.Read();
}