This post was originally published on attacomsian.com/blog.
A regular expression (also called regex or regexp) is a sequence of characters that...
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Thanks for all the examples! Only just realised you can use regexes in query selectors too! Very helpful when working with a tool like Puppeteer.
Thanks for the tip ✌️ I didn't know about it.
love it.
Unfortunately lookbehind is not fully supported in all browsers/JS engines yet. This bit me a while back when I was working on a problem that would have been a simple fix with lookbehind 😕
They are coming, though! Lookbehind is currently a stage 4 proposal.