Run results for: String.replace vs String.replaceAll

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0

Browser: Firefox 126

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

String replaceAll

16.2M/s

Regex replace in place

7.0M/s

Regex replace stored in variable

7.0M/s

View exact numbers

Test name	Executions per second
✓ String replaceAll	16,183,910 Ops/sec
Regex replace in place	7,006,335 Ops/sec
Regex replace stored in variable	6,957,298 Ops/sec

Tests:

Regex replace in place
"this is it".replace(/ /g, "+");
Regex replace stored in variable
var token = / /g; "this is it".replace(token, "+");
String replaceAll
"this is it".replaceAll(" ", "+");