Deveel.Readline.MoveBackwardWord C# (CSharp) 메소드

        private static void MoveBackwardWord()
        {
            while (posn > 0 && !IsWordCharacter(buffer[posn - 1])) {
                MoveLeft();
            }
            while (posn > 0 && IsWordCharacter(buffer[posn - 1])) {
                MoveLeft();
            }
        }