Run results for: RegExp constructor vs literal using exec

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser: Chrome 141

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Benchmark engine: Benchmark.js

Literal

7.1M/s

new RegExp()

6.9M/s

View exact numbers

Test name	Executions per second
✓ Literal	7,118,939 Ops/sec
new RegExp()	6,940,352 Ops/sec

Script Preparation code:

var reConstructor = new RegExp('^[0-9a-fA-F]{24}$')
var reLiteral = /^[0-9a-fA-F]{24}$/

Tests: