Has

Parser with Has

Mode	Description
has	Checks if all specified elements exist in the target (region flags, items, etc.).
!has	Checks if none of the specified elements exist in the target.
any	Checks if at least one of the specified elements exists in the target.
all	Checks if all specified elements exist in the target (equivalent to has).
none	Checks if none of the specified elements exist in the target (equivalent to !has).

Using

WorldGuard