密码强度验证

$(‘#pass’).keyup(function(e) {

    var strongRegex = new RegExp(“^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\\W).*$”, “g”);

    var mediumRegex = new RegExp(“^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$”, “g”);

    var enoughRegex = new RegExp(“(?=.{6,}).*”, “g”);

    if (false == enoughRegex.test($(this).val())) {

        $(‘#passstrength’).html(‘More Characters’);

    } else if (strongRegex.test($(this).val())) {

        $(‘#passstrength’).className = ‘ok’;

        $(‘#passstrength’).html(‘Strong!’);

    } else if (mediumRegex.test($(this).val())) {

        $(‘#passstrength’).className = ‘alert’;

        $(‘#passstrength’).html(‘Medium!’);

    } else {

        $(‘#passstrength’).className = ‘error’;

        $(‘#passstrength’).html(‘Weak!’);

    }

    return true;

});



页面

<input type=”password” name=”pass” id=”pass” />

<span id=”passstrength”></span>