Run results for: Regex or string javascript replace

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

String rep

1.8M/s

Regex rep

1.7M/s

View exact numbers

Test name	Executions per second
✓ String rep	1,846,374 Ops/sec
Regex rep	1,713,687 Ops/sec

Tests:

Regex rep
"mooly {food} p{}lace".replace(/[{}]/g, (ch) => { return ch === '{' ? '[' : ']' })
String rep
("mooly {food} p{}lace".replace(/{/g, "[")).replace(/}/g, "]")