+If the string corresponding to 'key' is equal to 'oldvalue' then delete the key. If deletion was succesful (delete return value was 1) then post given messages to the corresponding channels.
+
+## DELNEPUB key oldvalue channel message [channel message...]
+
+Time complexity: O(1) + O(1) + O(1) + O(N_1+M) [ + O(N_2+M) + ...] where N_i are the number of clients subscribed to the corrensponding receiving channel and M is the total number of subscribed patterns (by any client)
+
+If the string corresponding to 'key' is not equal to 'oldvalue' then delete the key. If deletion was succesful (delete return value was 1) then post given messages to the corresponding channels.