my RegExp
HTML
<p id="demo">Click the button to search a string for the character "e".</p>
<button onclick="myFunction()">Try it</button>
JavaScript
function myFunction()
{
var str = "#/modul/przyjecie/pj_tworz_kn/234/id/234/sda/342&mebele=809034";
var patt= /(\/\w*){1,3}/;
var res = patt.exec(str);
$('body').append(res[0]);
}