Run results for: String replace using regex vs string

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

replace by regex

406.0M/s

replace via string

13.1M/s

View exact numbers

Test name	Executions per second
✓ replace by regex	406,030,464 Ops/sec
replace via string	13,127,801 Ops/sec

Script Preparation code:

var string = '-firstDeadlineReminderData__PS__assignment__PS__perEntityType__PS__Applicant__PS__hasDeadline'
var regExp = new RegExp('__PS__', 'g');

Tests: