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Stdle #134 · quirks · 2026-10-12

What does this JavaScript snippet output?

A past puzzle — fully playable. 4 attempts, hints on wrong guesses.

const re = /\d+/y;
const s = '12 34';
console.log(re.exec(s)[0], re.lastIndex, re.exec(s));
Quirks
4 attempts left

Answer & explanation