Redis - Sorted Set Zlexcount Command

When all the elements in a sorted set are inserted with the same score, in order to force lexicographical ordering, this command returns the number of elements in the sorted set at the key with a value between min and max.

Return Value

Integer reply, the number of elements in the specified score range.

Syntax

Following is the basic syntax of Redis ZLEXCOUNT command.

redis 127.0.0.1:6379> ZLEXCOUNT KEY MIN MAX

Example

redis 127.0.0.1:6379> ZADD myzset 0 a 0 b 0 c 0 d 0 e 
(integer) 5 
redis 127.0.0.1:6379> ZADD myzset 0 f 0 g 
(integer) 2 
redis 127.0.0.1:6379> ZLEXCOUNT myzset - + 
(integer) 7 
redis 127.0.0.1:6379> ZLEXCOUNT myzset [b [f 
(integer) 5