Run results for: regexp.matchAll vs regexp.exec

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

regexp.exec

1.8M/s

regexp.matchAll

1.1M/s

View exact numbers

Test name	Executions per second
✓ regexp.exec	1,802,917 Ops/sec
regexp.matchAll	1,114,577 Ops/sec

Tests:

regexp.matchAll
const s = 'Apple Apple Apple Apple Apple'; const r = new RegExp('(^|\\P{L})(Apple)($|\\P{L})', 'giu'); const n = []; const matches = [...s.matchAll(r)]; matches.forEach((match) => { // do something // n.push(match.index); });
regexp.exec
const s = 'Apple Apple Apple Apple Apple'; const r = new RegExp('(^|\\P{L})(Apple)($|\\P{L})', 'giu'); const n = []; let execResults; while ((execResults = r.exec(s)) !== null) { // do something // n.push(execResults.index); }