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(m.Groups[1].Value + m.Groups[2].Value + m.Groups[3].Value);
            }
        }
	}
}