Run results for: regex vs string replaceAll

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

string

5.3M/s

regex

3.2M/s

View exact numbers

Test name	Executions per second
✓ string	5,265,758 Ops/sec
regex	3,249,923 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var str = 'Hello {first} {last}. Your first name is {first} and last name is {last}.'

Tests:

regex
str = str.replaceAll(new RegExp('{first}', 'g'), 'John') str = str.replaceAll(new RegExp('{last}', 'g'), 'Doe')
string
str = str.replaceAll('{first}', 'John') str = str.replaceAll('{last}', 'Doe')