regex.101 quick reference section as 'cheat sheet' in Episode 1

[CatsAndBooks]

Hi all,

I have a suggestion for those of you who (will be) teach(ing) Episode 1, https://librarycarpentry.org/lc-data-intro/01-regular-expressions/index.html, of this Lesson.

This Episode contains a lot of information, explained verbally and textually, that is often new to participants. The list provided under 'Learning common regex metacharacters' can be quite intimidating, especially if people feel they immediately need to learn those characters by heart.

Since in Episode 2 on 'Matching & Extracting Strings', they will be working with regex101, maybe it would be nice to already have participants open regex101 when the instructor discusses the list of common metacharacters and, following that, special characters. Participants could then be pointed to the quick reference section in the down right corner of their screens by the instructor, who can advise them to use this as a 'cheat sheet' during the exercises (both on paper and in regex101) if needed.

[aforestsomewhere]

I agree, we received similiar feedback from learners at a recent workshop. I made slides of the exercises and put in a cheat sheet so they had them side-by-side, but next time I would provide a jpg/pdf of the cheat sheet at the outset.