This is super! I wanted to do something like this myself - you've executed it brilliantly!! Why don't have a "Feb 2012 - all" and let user's search using the r

This is super! I wanted to do something like this myself - you've executed it brilliantly!! Why don't have a "Feb 2012 - all" and let user's search using the regexp box? That way, I don't have to search both categories for stuff that might span both.