> I'm trying to use a filter "+*foo=*[0-9]*" to match
> what the regex ".*foo=[0-9].*" matches, but for some
> reason it seems like it also matches things like
> "...foo=x123...". Now, of course I could instead
> write "+*foo=0* +*foo=1* +*foo=2* ...", but is there
> some other way of matching only URLs containing
> "foo=<somenumber>"?
*foo=*[0-9]* should do what you want.  What are your other filters?  Do you
have a -*foo=* above