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Run results for:
string.replace vs regexp.matchAll vs regexp.exec
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
string.replace
4464464.0 Ops/sec
regexp.matchAll
1400121.5 Ops/sec
regexp.exec
2547809.5 Ops/sec
Tests:
string.replace
const s = 'Apple Apple Apple Apple Apple'; const r = new RegExp('(^|\\P{L})(Apple)($|\\P{L})', 'giu'); s.replace(r, '*****');
regexp.matchAll
const s = 'Apple Apple Apple Apple Apple'; const r = new RegExp('(^|\\P{L})(Apple)($|\\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); }