he/him 
why do you sound like a supervillain when hes explaining the big plan to james bond
Rome will now parse regular expressions. With a rich AST we can now lint and transform them easily. We also provide better error messages than an actual JS engine, and even perform auto fixes for syntax errors.
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I think it’s because I always phrase them very carefully, use first person pronouns, and pack a lot of information into a single tweet while still hopefully being unambiguous.
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Can it determine that a stateful regexp instance will be erroneously reused and cause flaky results?
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With type information and more static analysis, in the future, hopefully
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@sebmck this is awesome. Maybe I'm being dumb, but I can't find on GitHub the source for this - would you mind linking here? Very interested in seeing how this looks on the inside! - 1 more reply
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Nice! RegExp Tree tool has a bunch of transforms for optimizations and compat-transpiling. Probably can port to Rome some.
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In case that comes handy, there are quite a few tests in regjsparser (used by babel for parsing RegExp): https://github.com/jviereck/regjsparser/tree/gh-pages/test …
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Thanks for making tools sharp! The evolution of JS tooling has been fun to watch.
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Hmm, wuth parsing a regexp maybe it'd be possible to generate a parser for calculating what the regexp is meant to do/calculate
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