The online memoQ Help:

https://docs.memoq.com/current/en/Places/regex-assistant.html

This page usefully provides a complete list of all the modules, dialogs, etc. in memoQ where the Regex Assistant library can be accessed. "Access" includes summoning the library to use stored regexes and saving expressions at those places into the library.

"Hello memoQ 9.9" video segment on the Regex Assistant

https://youtu.be/7GEEp8NOgk0?si=iGi-VEtVy1ESMHs9&t=25

An introduction to the library feature from memoQ Ltd. for the version after the initial version 9.8 prototype.

"Exclusive memoQ webinar for translators" (video)

https://youtu.be/0zYFoK_iByE?si=2dizpc8-V05k70Ac&t=3346

A discussion of the Regex Assistant was included in a general overview video of memoQ for translators.