Run results for: RegEx vs For Loop

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 YaBrowser/25.2.0.0 Safari/537.36

Browser: Yandex Browser 25

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

For Loop

26.7M/s

RegEx

10.8M/s

View exact numbers

Test name	Executions per second
✓ For Loop	26,681,216 Ops/sec
RegEx	10,779,782 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; } }