if ("any" is "item1" or "item2" or "any"){ Console.WriteLine("okay");}
if ("any" == "item1" || "item2" || "any") // "any" == "item1" || "any" == "item2" will be corrent but really bad readable{ Console.WriteLine("okay");}
a\aa\a -> a\\aa\\aab\\aba\aa\a -> ab\\aba\\aa\\a