1var check = function() {
2  if (document.getElementById('password').value ==
3    document.getElementById('confirm_password').value) {
4    document.getElementById('message').style.color = 'green';
5    document.getElementById('message').innerHTML = 'matching';
6  } else {
7    document.getElementById('message').style.color = 'red';
8    document.getElementById('message').innerHTML = 'not matching';
9  }
10}
11let pattern = new RegExp("^(?=(.*[a-zA-Z]){1,})(?=(.*[0-9]){2,}).{8,}$"); //Regex: At least 8 characters with at least 2 numericals
12    let inputToListen = document.getElementById('pass-one'); // Get Input where psw is write
13    let valide = document.getElementsByClassName('indicator')[0]; //little indicator of validity of psw
14
15    inputToListen.addEventListener('input', function () { // Add event listener on input
16        if(pattern.test(inputToListen.value)){
17            valide.innerHTML = 'ok';
18        }else{
19            valide.innerHTML = 'not ok'
20        }
21    });

1let pattern = new RegExp("^(?=(.*[a-zA-Z]){1,})(?=(.*[0-9]){2,}).{8,}$"); //Regex: At least 8 characters with at least 2 numericals
2    let inputToListen = document.getElementById('pass-one'); // Get Input where psw is write
3    let valide = document.getElementsByClassName('indicator')[0]; //little indicator of validity of psw
4
5    inputToListen.addEventListener('input', function () { // Add event listener on input
6        if(pattern.test(inputToListen.value)){
7            valide.innerHTML = 'ok';
8        }else{
9            valide.innerHTML = 'not ok'
10        }
11    });

1var check = function() {
2  if (document.getElementById('password').value ==
3    document.getElementById('confirm_password').value) {
4    document.getElementById('message').style.color = 'green';
5    document.getElementById('message').innerHTML = 'matching';
6  } else {
7    document.getElementById('message').style.color = 'red';
8    document.getElementById('message').innerHTML = 'not matching';
9  }
10}

1var strongRegex = new RegExp("^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!@#\$%\^&\*])(?=.{8,})");
2