Block Youtube and facebook with Mikrotik Router
^.+(youtube.com|facebook.com|porn|proxy|vpn).*$
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^.+(youtube.com|facebook.com|porn|proxy|vpn).*$
^.+(imo.im).*$
^.+(www.instagram.com).*$
^.+(www.linkedin.com).*$
^.+(www.netflix.com).*$
^.+(www.snapchat.com).*$
^.+(twitter.com).*$
^.+(wetransfer.com).*$
^.+(web.whatsapp.com).*$
^.+(www.snapchat.com).*$