To ban end users by common expression, use: eag-ban-regex with a daily expression to match the username in lowercase If you use /op on the server, Remember that if you "/op LAX1DUDE", a player becoming a member of as 'laX1DUDE' or 'LaX1dUdE' or 'lax1dude' will all have /op too. https://vanshgamer.com/eaglecraft-minecraft/