Rated 5 out of 5 stars

per Andrew Muliar el mai. 18, 2017 · enllaç permanent

Best addon to ban range of sites with subdomains, even entire upper domain
My example of contentblock-regex.txt:

^https?:\/\/(.+?\.)?(\w{2,60}\.)+(ru|su|рф)
^https?:\/\/(.+?\.)?vk\.com