title: Price input pattern html5
body: <p>I've got input field and I want to check dot existence for value of price input field. The value will be look like this <code>12.00</code>. Here is my code</p>
  
  <pre><code>&lt;g:textField class="span3" id="price" name="price" required="" pattern="\d+(\.\d{2})?"/&gt;
  </code></pre>
  
  <p>I write something like this <code>\d+(\.\d{2})?</code>, but received error. Any suggestions ?</p>