Run results for: RegExp constructor vs literal

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

new RegExp()

15.9M/s

Literal

15.6M/s

View exact numbers

Test name	Executions per second
✓ new RegExp()	15,860,826 Ops/sec
Literal	15,580,911 Ops/sec

Script Preparation code:

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

Tests: