System.Globalization.FormatProvider.Number.TryStringToNumber C# (CSharp) Method

            internal unsafe static bool TryStringToNumber(string str, NumberStyles options, ref NumberBuffer number, StringBuilder sb, NumberFormatInfo numfmt, bool parseDecimal)
            {
                if (str == null)
                {
                    return false;
                }
                Debug.Assert(numfmt != null);

                fixed (char* stringPointer = str)
                {
                    char* p = stringPointer;
                    if (!ParseNumber(ref p, options, ref number, sb, numfmt, parseDecimal)
                        || (p - stringPointer < str.Length && !TrailingZeros(str, (int)(p - stringPointer))))
                    {
                        return false;
                    }
                }

                return true;
            }