Run results for: RegEx vs For Loop

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 15_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/101.0.4951.44 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 101

Operating system: iOS 15.4

Device Platform: Tablet

Date tested: 2 years ago

Test name	Executions per second
RegEx	4750909.0 Ops/sec
For Loop	963525.4 Ops/sec

HTML Preparation code:

var string = "passw)odas4gsdfsdf";

Script Preparation code:

var string = "passw)odas4gsdfsdf";

Tests:

RegEx
let isPasswordValid = false; const number = new RegExp('(?=.*[0-9])'); isPasswordValid = number.test(string);
For Loop
let isPasswordValid = false; for (let i = 0; i < string.length; i++) { let code = string.charCodeAt(i); if (code >= 48 && code <= 57) { isPasswordValid = true; break; } }