Using NumberStyles to parse numbers in C# .NET Part 3

In the previous post we looked at some more values in the NumberStyles enumeration. In this finishing post we’ll look at some more compact enumeration values and how you can pass in your own number format provider for customised and culture-independent solutions.

We’ve seen that you can combine the NumberStyles enumeration values like here:

It can be cumbersome to keep adding these flags to make sure all currency formats are covered. NumberStyles includes some composite values including NumberStyles.Currency. The Currency value combines all styles except for AllowExponent. If you start typing “NumberStyles.” in Visual Studio and investigate any of the values whose name does NOT start with “allow” then IntelliSense will show you the list of flags included in the composite. So the above currency example can be simplified as follows:

We cannot only parse “normal” numbers, i.e. numbers of the decimal system but hexadecimal numbers as well. Consider the…