Flavor specific cheatsheet

As a User of T-RegEx, I want to be able to see a cheat sheet with the most important symbols for the currently selected regex flavor, to have a fast reference.

Satisfied if:

Cheatsheet content is specific to the selected flavor
For supported flavors (For BRE, ERE, JavaScript (dev mode))

Edited Mar 09, 2021 by Robin Freund

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