You can search full-text also in other fields than just text fields.
An example is a search with <template kind="ExaleadFullText" />.
Name and Title of all folder objects are both indexed as full-text, in a single fields, named gn4Title. So if you use the template <template kind="ExaleadFullText"/>, it will search the gn4Title field.
Example:
<attribute path="[article.name]" >
<ui mode="Normal" labelPosition="Side">
<template kind="ExaleadFullText" />
</ui>
searches indeed gn4 title field.
A down-side of Exalead searches is that there's an one minute delay (or more) between creation/arrival of an item and the moment it gets indexed.
Note: since build 2711, all ExaleadXXX templates are renamed to FullTextXXX, and the ExaleadFullText became FullText.