deleteFormatter${id_sec_field} = function (cellvalue, options, rowObject) {
    url = '${submitUrl}/' + cellvalue;
    return '<div><a href="#" onclick="deleteHandler('+url+');"><span class="fa fa-trash-o fa-lg"></span></a></div>';
}

Uncaught SyntaxError: Invalid flags supplied to RegExp constructor 'utente'

<div><a href="#" onclick="deleteHandler(/myapp/user/2);"><span class="fa fa-trash-o fa-lg"></span></a></div>