Modern JavaScript regular expressions have come a long way compared to what you might be familiar with. Regexes can be an amazing tool for searching and replacing text, but they have a longstanding reputation (perhaps outdated, as I'll show) for being difficult to write and understand.
In this article, I'll recount the history of improvements to JavaScript regexes (spoiler: ES2018 and ES2024 changed the game), show examples of modern regex features in action, introduce you to a lightweight JavaScript library that makes JavaScript stand alongside or surpass other modern regex flavors, and end with a preview of active proposals that will continue to improve regexes in future versions of JavaScript.
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