Run results for: Native replaceAll vs regex replace vs replace with String.raw

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 121

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

replace regex

6.3M/s

replace All

4.6M/s

replace regex with String.raw

1.1M/s

View exact numbers

Test name	Executions per second
✓ replace regex	6,316,192 Ops/sec
replace All	4,560,318 Ops/sec
replace regex with String.raw	1,104,402 Ops/sec

Tests:

replace regex
"Hello, [%user_name%]! What's up, [%user_name%]?".replace(/\[\%user_name\%\]/g, 'Jane');
replace All
"Hello, [%user_name%]! What's up, [%user_name%]?".replaceAll(`[%user_name%]`, 'Jane');
replace regex with String.raw
"Hello, [%user_name%]! What's up, [%user_name%]?".replace(new RegExp(String.raw`\[\%user_name\%\]`, "g"), 'Jane');