Run results for: String replace using regex vs string

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 OPR/119.0.0.0 (Edition std-1)

Browser: Opera 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

replace via string

12.1M/s

replace by regex

11.9M/s

View exact numbers

Test name	Executions per second
✓ replace via string	12,089,172 Ops/sec
replace by regex	11,885,700 Ops/sec

Script Preparation code:

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

Tests:

replace by regex
var res = string.replace(regExp, '.')
replace via string
var res = string.split('__PS__').join('.');