60b52515_ons_Flags___EngineHub_org_Wiki__Description
[Flag] exit-group [Default] Non-members [Default Group*] N/A [Type] Group [Description] 
Removed. There is no longer a separate "exit-group" flag in new versions of WorldGuard. See Setting Groups for the replacement. In previous versions, this flag would set which players the exit flag applied to.
WorldGuard/Regions/Flags - EngineHub.org Wiki
Description