> Furthermore, the existence of "*[]" implies that
> there need not be a wildcard to match the last part
> of the URL. Thus it should be irrelevant what is
> appended to the end of an URL if the filter doesn't
> end with "*[]", right? From that follows that if
> "*album=*[0-9]" matches "album=" then it also
> matches "album=foo".

My reading is that *jpg matches name.jpg or name.jpg?arguments and the *[] is
used to prevent the latter. Thus *album=foo should only match
name.ext?album=foo not album=foo&id=n