Regex Crossword regexcrossword.com/ is a clever way to teach regular expression syntax.

One difficult aspect with regex patterns: not “does this match the text I want”, but “what *other* possible texts could this match, and do I need a different pattern instead”.

By nature of a , each cell has exactly one solution; but you reach the solution by considering the possible range of values that *could* match both across clue and the down clue.

Fosstodon

Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.