If you're paying for software features you're not even using, consider scripting them.
Abstract: Privacy-preserving wildcard pattern matching enables data owners to outsource textual data to the cloud while allowing users to perform flexible queries ...
The operator _ means "any other case I didn't think of".
Abstract: Row pattern recognition (RPR) enables data scientists to detect complex sequences such as trends, repetitions, and the absence of events. Modern SQL engines such as Oracle, Snowflake, Flink, ...