Add a filter function for g=

[idbrii]

Allows you to clean up your selected code -- like deleting f suffixes,
semicolons, etc.

I expect various programming languages have a bunch of weird other ways of representing numbers (suffixes indicating type, prefixes indicating base) and this is intended to allow users to make g= work for them. However, maybe you'd prefer to
incorporate this logic into scriptease?

Likely they're language-specific, so I'm not sure if these should be b: or g: variables (or support both). Due to overlap between languages, it might be easier to define replacements for all of the possibilities in one function and use &ft to determine which are applicable (C# and C++ both use f suffixes, etc).

[tpope]

Are f suffixes new? I've never seen one.

[idbrii]

f suffixes aren't new for C++ or C#, but if you don't use them then your literals are doubles so you could easily write a lot of code without ever encountering them.

There's lots of other ones: C++ has l/L suffixes for longs and c# has 0b prefix for binary and underscore separators (e.g., 0b_0010_1010 33_554_432).