title: HTML5 Form Pattern / Validation
body: <p>I am trying to come up with a valid pattern for an HTML5 form. I would like to allow all upper &amp; lower case letters, spaces, numbers, and the symbols / \ @ # $ % &amp; .</p>
  
  <p>I've tried a couple different formats but I haven't had any luck.</p>
  
  <p>So far I have:</p>
  
  <pre><code>Address: &lt;input type="text" name="Address" size="25"  pattern="[a-zA-Z0-9 ]{2,35}]" title="Title" required/&gt;
  </code></pre>