PUBSUB CHANNELS

    1. users> PSUBSCRIBE h?llo
    2. users> SUBSCRIBE hello
    3. users> SUBSCRIBE hxxllo
    4. ---
    5. dragonfly> PUBSUB CHANNELS
    6. 1) "hxxllo"
    7. 2) "world"
    8. dragonfly> PUBSUB CHANNELS h*llo
    9. 2) "hello"
    10. dragonfly> PUBSUB CHANNELS h?llo