regex to check the naming of Azure Queues

gistfile1.cs

bool match = false;
var exp = new Regex(@"^[0-9a-z]+-*[0-9a-z]+$");
if (exp.IsMatch(input))
{
  if (input.Length >= 3 && input.Length <= 63)
  {
    match = true;
    Console.ForegroundColor = ConsoleColor.Green;
    Console.WriteLine("VALID Queue Name: {0}", input);
  }
}

if (!match)
{
  Console.ForegroundColor = ConsoleColor.Red;
  Console.WriteLine("INVALID Queue Name: {0}", input);
}