Fix IPv6 mask regex
Fix IPv6 mask regex

bush6/sync,nugget/sync,6IRCNet/sync,6IRCNet/sync,gv1222/sync,gv1222/sync,pajlada/sync,gv1222/sync,aykl/sync,nugget/sync,nugget/sync,pajlada/sync,bush6/sync,Poniverse/Equestria.tv,aykl/sync,pajlada/sync,Poniverse/Equestria.tv,Poniverse/Equestria.tv,pajlada/sync,bush6/sync,6IRCNet/sync,gv1222/sync