using System;

public class Program

{

    public static void Main()

    {

        string first = "Sie tanzen auf der Straße.";

        string second = "Sie tanzen auf der Strasse.";

​

        Console.WriteLine($"First sentence is <{first}>");

        Console.WriteLine($"Second sentence is <{second}>");

​

        bool equal = String.Equals(first, second, StringComparison.InvariantCulture);

        Console.WriteLine($"The two strings {(equal == true ? "are" : "are not")} equal.");

        showComparison(first, second);

​

    }

    static void showComparison(string one, string two)

{

    int compareLinguistic = String.Compare(one, two, StringComparison.InvariantCulture);

    int compareOrdinal = String.Compare(one, two, StringComparison.Ordinal);

    if (compareLinguistic < 0)

        Console.WriteLine($"<{one}> is less than <{two}> using invariant culture");

    else if (compareLinguistic > 0)

        Console.WriteLine($"<{one}> is greater than <{two}> using invariant culture");

    else

        Console.WriteLine($"<{one}> and <{two}> are equivalent in order using invariant culture");

    if (compareOrdinal < 0)

        Console.WriteLine($"<{one}> is less than <{two}> using ordinal comparison");

    else if (compareOrdinal > 0)

        Console.WriteLine($"<{one}> is greater than <{two}> using ordinal comparison");

    else

        Console.WriteLine($"<{one}> and <{two}> are equivalent in order using ordinal comparison");

}

}