Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36
Chrome 87
Windows
Desktop
3 years ago
Test name Executions per second
new RegExp() 5139219.5 Ops/sec
Literal 5165813.5 Ops/sec
Script Preparation code:
AخA
 
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')