Run results for: RegEx defined inside vs outside Loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
inside	36051224.0 Ops/sec
outside	37443056.0 Ops/sec

Script Preparation code:

var string = "passw)odas4gsdfsdf";
var regex = /(?=.*[0-9])/

AخA
 
var string = "passw)odas4gsdfsdf";var regex = /(?=.*[0-9])/

Tests:

inside
let isPasswordValid = /(?=.*[0-9])/.test(string);
let isPasswordValid = /(?=.*[0-9])/.test(string);
outside
let isPasswordValid = regex.test(string);
let isPasswordValid = regex.test(string);