#regexmutation — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #regexmutation, aggregated by home.social.
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RegExp lastIndex Mutates Global Matches?!
Global regex has MEMORY! The lastIndex property remembers where it stopped. Reset it to 0 and the same regex matches DIFFERENTLY. This mutation behavior will cause bugs you'll never find!
#javascript #javascripttricks #regexp #lastindex #globalregex #javascriptweird #javascriptquiz #codingchallenge #javascriptshorts #javascriptwtf #regexmutation #advancedjavascript