using System;

using System.Threading;

using System.Threading.Tasks;

using System.Net.Http;

using Microsoft.AspNetCore;

using Microsoft.AspNetCore.Hosting;

using Microsoft.Extensions.Logging;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.AspNetCore.Builder;

​

public class Program

{

    public static void Main(string[] args)

    {

       Console.WriteLine(Environment.Version);

     Console.WriteLine(Environment.OSVersion.Platform);

    String a = "Yukari";

    String b = "Yukarı";

    Console.WriteLine(String.Equals(a, b, StringComparison.InvariantCultureIgnoreCase));

    Console.WriteLine(String.Equals(a, b, StringComparison.OrdinalIgnoreCase));

    //String.Equals(a, b, StringComparison.InvariantCultureIgnoreCase).Dump(nameof(StringComparison.InvariantCultureIgnoreCase));

    }

}