io.IoLexer.readExponent C# (CSharp) Method

        public int readExponent()
        {
            if (readCharAnyCase('e') != 0)
            {
                if (readChar('-') !=0 || readChar('+')!=0) { }

                if (readDigits() == 0)
                {
                    return -1;
                }
                return 1;
            }
            return 0;
        }