Allow wildcards in blacklist rule addresses list

Would it be possible to allow wildcards to be added to the address/domains list in the blacklist rule? At the moment the only edits I can make are to either add or delete an address/domain.

Spammers tweak their addresses and domain names so frequently, judicious use of * in the blacklist rule should result in a much shorter list and a more efficient junk collection. I realize that is also a good way to cause otherwise valid emails to be sent to junk, but at least you can find them in the folder and fix them. As it is, I have to search the junk folder for non-junk emails anyway since many of them use otherwise valid domains.