title: Remove ' in array Rails
body: <p>In my controller I have:</p>
  
  <pre><code>@cabs_city = VwVolsCabs.all
  
  @cabs_city = @cabs_city.each { |s| s.gsub! /[^[:alnum:]]/, '' }
  </code></pre>
  
  <p>View:</p>
  
  <pre><code>&lt;% @cabs_city.each do |s| %&gt;
      &lt;%= s.cab_name %&gt;
  &lt;% end %&gt;
  </code></pre>
  
  <p>But I have this error: </p>
  
  <pre><code>NoMethodError (undefined method `gsub!' for #&lt;VwVolsCabs:0x000000089e8dd0&gt;):
  </code></pre>