Run results for: String.matchAll() vs RegExp.exec()

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0

Browser: Firefox 149

Operating system: Linux

Device Platform: Desktop

Date tested: 4 months ago

RegExp.exec()

4.5M/s

String.matchAll()

3.4M/s

View exact numbers

Test name	Executions per second
✓ RegExp.exec()	4,539,980 Ops/sec
String.matchAll()	3,381,260 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const regex = new RegExp('[A-Z $%*+\\-./:]+', 'g')
const string = 'Hello world, this is a just wonderful day!'

Tests:

String.matchAll()
const results = [] for (const result of string.matchAll(regex)) { results.push(result) }
RegExp.exec()
const results = [] let result while ((result = regex.exec(string)) !== null) { results.push(result) }