Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36
Chrome 94
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
RegEx 3126379.5 Ops/sec
For Loop 745100.5 Ops/sec
HTML Preparation code:
AخA
 
1
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;
        }
    }