title: Add a space in a angular expression
body: <p>i need to add another space between my word and my angular bind. Here my code:</p>
  
  <pre><code>&lt;button class="button button-clear comp back" href="#"&gt;
       Comparto {{titolo}}
  &lt;/button&gt;
  </code></pre>
  
  <p>I tried with Comparto  {{titolo}}, {{ titolo}}, {{ " " + titolo}}, {{ "\s" + titolo}} but all this method don't work :( how can i add this space?</p>