Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Chrome 114
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Regex 1 8220839.5 Ops/sec
Regex 2 198801.7 Ops/sec
Split 13737091.0 Ops/sec
Substring 13134690.0 Ops/sec
Script Preparation code:
AخA
 
var str = 'https://www.testsite.com/some-path/another-path/2019/my-amazing-page-name.html';
Tests:
  • Regex 1

     
    str.replace(/^(.*[\\\/])/, '');
  • Regex 2

     
    str.replace(/([^\/]+)(?=[^\/]*\/?$)/, '');
  • Split

     
    str.split('/').pop();
  • Substring

     
    str.substring(str.lastIndexOf('/')+1);