using System.Globalization;
using System.Text.RegularExpressions;
public static void Main()
var str1 = (Pixel.Facebook | Pixel.Sven);
var str2 = (Pixel2.Facebook | Pixel2.Sven);
var str3 = (Pixel3.Facebook | Pixel3.Sven);
var str4 = (Pixel4.Facebook | Pixel4.Sven);
Console.WriteLine(str1.HasFlag(Pixel.Facebook));
Console.WriteLine(str2.HasFlag(Pixel2.Facebook));
Console.WriteLine(str3.HasFlag(Pixel3.Facebook));
Console.WriteLine(str4.HasFlag(Pixel4.Facebook));