Ensure that subscribing to # doesn't give access to $SYS/# Fix topic regex so that regex characters are treated as literals using \Q ... \E.
Ensure that subscribing to # doesn't give access to $SYS/#
Fix topic regex so that regex characters are treated as literals using \Q ... \E.

tempbottle/mosquitto,tempbottle/mosquitto,tempbottle/mosquitto,tempbottle/mosquitto,tempbottle/mosquitto