Reply to messages.

Is there a way to disable message preview on only on the lock screen while only showing the number of the sender? Kind of like iPhone. I have a note 8 and its annoying that if I disable message preview, it disables it for both the lock screen and while it's unlocked, and its even more annoying that it just says "new message"

In the phone's Settings app, in the notifications section, see if there is an option for "hide sensitive info" for the Lock Screen.

This should allow you to leave the message preview turned on for the unlocked phone while you get "new message" displayed on the Lock Screen.