using System;
using System.Text.RegularExpressions;
 
public class Test
{
	public static void Main()
	{
		var regex = new Regex(@"^[A-Z][^\sA-Z]*[A-Z][^\sA-Z]*[A-Z]");
        string[] strings = {"XYZName", "X.YZName", "XY-ZName"};
 
        foreach (String s in strings)
        {
            var m = regex.Match(s);
            if (m.Success) {
                Console.WriteLine(Regex.Replace(m.Value, @"[^A-Z]+", ""));
            }
        }
	}
}

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