filter rows on mode checkbox change

gistfile1.js

var modes = ['free_submission_free_day',
               'paid_submission_free_day',
               'free_submission_bargain_day',
               'paid_submission_bargain_day'
];
$('input[type="checkbox"]').on('change', function() {
    var modes_code = _.map(modes, function(i){ ($('.'+i).val()) ? '1' : '.' }).join();
    var rex = new RegExp(modes_code, 'i');
    $('.searchable tr').hide();
        $('.searchable tr').filter(function() {
            return rex.test($(this).data('modes_code'));
        }).show();
    });
});