using System;

using System.Text.RegularExpressions;

public class Program

{

    public static void Main()

    {

        var str = "Ğ";

        var r1 = new Regex(@"\w");

        var r2 = new Regex(@"\w", RegexOptions.ECMAScript);

        Console.WriteLine(r1.IsMatch(str));

        Console.WriteLine(r2.IsMatch(str));

    }

}