String old = @"C:\" + "asd.txt";
            String newFile = @"C:\" +  "asd2.txt";
            Console.WriteLine(old + " : " + newFile);
            old = Regex.Replace(old, @"\'", "");
            newFile = Regex.Replace(newFile, @"\'", "");
            old = old.Trim();
            newFile = newFile.Trim();
            Console.WriteLine(old + " : " + newFile);
            System.IO.File.Move(old, newFile);