I tried doing a search with a wildcard pool name (specifically, "pool:touhou*)", to try and match Series touhou pools) and noticed odd behavior. The results I get with a * are far fewer than I would expect to get.
For example, "user:qazmlpok pool:*" gives me exactly two images, however I've uploaded a decent number of images in various pools. "user:qazmlpok pool:any" seems to work correctly and seems to give all of the expected results. I have no idea what makes the two images in "pool:*" special, either.
I would expect those two searches to be equivalent, but they aren't. I can't simply use "pool:any" for what I have in mind, as I need to be able to refine the wildcard on the pool name.
Is this a known issue, or possibly an intended feature?