password validation in javascript

check a password between 7 to 15 characters which contain at least one numeric digit and a special character
 
 https://www.w3resource.com/javascript/form/password-validation.php
 
function CheckPassword(inputtxt) { 
	var paswd=  /^(?=.*[0-9])(?=.*[!@#$%^&*])[a-zA-Z0-9!@#$%^&*]{7,15}$/;
	if(inputtxt.value.match(paswd)) { 
		alert('Correct, try another...')
		return true;
	}else{ 
		alert('Wrong...!')
		return false;
    }
}