addon for blocking asian languge? for woltk

[Pionion]

Is there any addon for wotlk that blocks all other language or at least asian ones from global?
it's really annoying , all are question marks and they are too many of them.

[JK2M]

cuz its not some kind of only "?" you could only use some kind of blacklist with Copy Paste some of these spam to try out if its working