Is your feature request related to a problem? Please describe.

• I'm a healer, i want to see only announce requesting healers => filter everything WITHOUT this word
• There are many announce looking for a tank, i'm not interested in groups looking for a tank => filter everything WITH this word

Describe the solution you'd like

A list of tristate checkbox (like most weakauras load conditions)

• by roles heal/tank/dps
• by class priest/shaman/mage/etc..........

Closing since this is similar to feature added #205, which lets the user add a global filter to all results. Supports matching multiple simple comma separated patterns.

eg; searching "healer, priest" will filter for results with both "healer" and "priest" in the message.

Unfortunately the there is support for logical disjunctions ("or" operations) with patterns atm.