Determine if a string contains any specified values

Is it possible to do something like the following in jQuery:

if($('UploadField').val().contains('.gif','.jpeg'开发者_JS百科,'.jpg','.png'))
{

}

...checking for an array of values?

---

if ($('UploadField').val().match(/\.(gif|jpeg|jpg|png)/))
{

}

should work