SMISMEMBER

Usage:
SMISMEMBER key member [ member ...]
Complexity:
O(N) where N is the number of elements being checked for membership
Since:
6.2.0

Returns whether each member is a member of the set stored at key.

For every member, 1 is returned if the value is a member of the set, or 0 if the element is not a member of the set or if key does not exist.

Examples

SADD myset "one"
SADD myset "one"
SMISMEMBER myset "one" "notamember"