Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Linux
Desktop
9 months ago
Test name Executions per second
split + join 4668722.5 Ops/sec
replace 5240623.0 Ops/sec
Script Preparation code:
AخA
 
var example = 'AgreementChangeId'
Tests:
  • split + join

     
    var result = example.split(/(?=[A-Z])/).join(' ');
  • replace

     
    var result = example.replace(/([A-Z]+)/g, ' $1')