What kind of regex does the Transform AttributeResolver use?

[Cantor, Scott]

> Also, what syntax does the replacement part expect?
> Backslashes have to be doubled, backreferences are $1, $2 and so on.  Is there
> anything more to know?

I can't tell you anything about it, I reused the only library I had to hand (Xerces), and it is undocumented as to specifics, so I literally know nothing about what it does or doesn't handle.

-- Scott