title: HTML 5 form input validation letters and digits
body: <p>I need the address input to accept letter and characters ! How to? </p>
  
  <pre><code>&lt;input id="Adresse" name="adresse" type="text" placeholder="Adresse" class="form-control input-md" required pattern="/[^a-zA-Z]/ "title="Only string and numbers"&gt;
  </code></pre>