通配符 - *任意多个字符, ?单个字符 ,[]内某1个字符

任意多字符 *

redis 127.0.0.1:6379> flushdb
OK
redis 127.0.0.1:6379> keys *
(empty list or set)
redis 127.0.0.1:6379> mset one 1 two 2 three 3 four 4
OK
redis 127.0.0.1:6379> keys o*
1) "one"
redis 127.0.0.1:6379> key *o
(error) ERR unknown command 'key'
redis 127.0.0.1:6379> keys *o
1) "two"

单个字符

redis 127.0.0.1:6379> keys ???
1) "one"
2) "two"
redis 127.0.0.1:6379> keys on?
1) "one"

[]内1个字符

redis 127.0.0.1:6379> set ons yes
OK
redis 127.0.0.1:6379> keys on[eaw]
1) "one"