Run results for: String replace using regex vs string qq

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 OPR/102.0.0.0

Browser: Opera 102

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
replace by regex	4019463.5 Ops/sec
replace via string	11207685.0 Ops/sec

Script Preparation code:

var string = '-firsQWEtDeadlineRQWEeminderData__PS__assignment__PS__perEntityTQWE ype__PS__Applicant__PS__hasDeadline QWE'
var regExp = new RegExp(/QWE|__PS__/gi);

AخA
 
var string = '-firsQWEtDeadlineRQWEeminderData__PS__assignment__PS__perEntityTQWE ype__PS__Applicant__PS__hasDeadline QWE'var regExp = new RegExp(/QWE|__PS__/gi);

Tests:

replace by regex
var res = string.replace(regExp, '.')
var res = string.replace(regExp, '.')
replace via string
var res = string.replace('__PS__', '').replace('QWE', '')
var res = string.replace('__PS__', '').replace('QWE', '')

Run results for: String replace using regex vs string qq

replace by regex

replace via string