using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

​

        Console.WriteLine(nameof(StringComparer.InvariantCultureIgnoreCase) + " tests");

        var invariant = StringComparer.InvariantCultureIgnoreCase;

        Console.WriteLine(invariant.Equals(".appinstaller", ".appInstaller"));

        Console.WriteLine(invariant.Equals(".appinstaller", ".appinstaller"));

        // Turkish small dotless i

        Console.WriteLine(invariant.Equals(".appinstaller", ".appınstaller"));

        // Turkish big dotted i

        Console.WriteLine(invariant.Equals(".appinstaller", ".appİnstaller"));

​

        Console.WriteLine();

        var trTR = StringComparer.Create(CultureInfo.GetCultureInfo("tr-TR"), ignoreCase: true);

        Console.WriteLine("tr-TR tests");

        Console.WriteLine(trTR.Equals(".appinstaller", ".appInstaller"));

        Console.WriteLine(trTR.Equals(".appinstaller", ".appinstaller"));

        // Turkish small dotless i

        Console.WriteLine(trTR.Equals(".appinstaller", ".appınstaller"));

        // Turkish big dotted i

        Console.WriteLine(trTR.Equals(".appinstaller", ".appİnstaller"));

    }

}