Run results for: RegEx vs For Loop

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

For Loop

40.5M/s

RegEx

9.0M/s

View exact numbers

Test name	Executions per second
✓ For Loop	40,491,972 Ops/sec
RegEx	8,986,021 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; } }