Run results for: RegExp constructor vs literal

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 13_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/77.0.3865.103 Mobile/15E148 Safari/605.1

Browser: Chrome Mobile iOS 77

Operating system: iOS 13.1

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
new RegExp()	5969547.0 Ops/sec
Literal	5919013.0 Ops/sec

Script Preparation code:

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

Tests:

new RegExp()
reConstructor.test('132abc67219f019afe12901a')
Literal
reLiteral.test('132abc67219f019afe12901a')

Run results for: RegExp constructor vs literal

Testing performance when using a new RegExp object vs a literal regex

new RegExp()

Literal