After last week’s talk on making use of the period between now and fundamental shifts in cataloging, regular expressions (regex) came up during the Q&A as one of the things I think it’s helpful for catalogers to learn. Afterward, one of the attendees emailed me asking for more specific recommendations on how to learn them. I’m sharing the resources I pulled together, since I think they could be of use to more folks. I would also recommend that, if you get the opportunity, this is a good...