internal static CharType GetCharType(char c)
        {
            if (CharsToBeTreatedAsDefault.Contains(c))
            {
                return CharType.Default;
            }

            if (LineBreak.IsLineBreak(c))
            {
                return CharType.NewLine;
            }

            if (char.IsWhiteSpace(c))
            {
                return CharType.WhiteSpace;
            }

            if (char.IsPunctuation(c) || char.IsSymbol(c))
            {
                return CharType.PunctuationOrSymbol;
            }

            return CharType.Default;
        }