Soliciting additional resolver plugin requirements

[Cantor, Scott]

> Would Transform be able to implement a "choose the value of attribute
> foo matching /^bar/ and dump the rest" behavior?

That would be a filter use case.

> Just a guess, but perhaps this would do it:
> 
> <Regex match="^(bar.*)$">$1</Regex>

No, it will pass through any non-matching values. Throwing things away should already be supported with a filter.

-- Scott