Tools.YyLexer.CharIsSymbol C# (CSharp) Method

        bool CharIsSymbol(char c)
        {
            UnicodeCategory u = Char.GetUnicodeCategory(c);
            return (u==UnicodeCategory.OtherSymbol || u==UnicodeCategory.ModifierSymbol ||
                u==UnicodeCategory.CurrencySymbol || u==UnicodeCategory.MathSymbol);
        }