@@ 42,7 42,7 @@ expressions in important ways. So we call them *eggexes* rather than
- Eggexes support **regular languages** in the mathematical sense, whereas
regexes are **confused** about the issue. All nonregular eggex extensions
are prefixed with `!`, so you can visually audit them for [catastrophic
are prefixed with `!!`, so you can visually audit them for [catastrophic
backtracking][backtracking]. (Russ Cox, author of the RE2 engine, [has
written extensively](https://swtch.com/~rsc/regexp/) on this issue.)
- Eggexes are more fun than regexes!