using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(GetSubstring("One - Two",0));

        Console.WriteLine(GetSubstring("One - Two",1));

        Console.WriteLine(GetSubstring("One - Two",2));

    }

    public static string GetSubstring(string input, int index)

{

    string returnValue = String.Empty;

    string[] substrings = input.Split(new[] { "-" }, StringSplitOptions.RemoveEmptyEntries);

    returnValue = substrings.Length > index ? substrings[index] : returnValue;

    return returnValue;

}

​

}