title: jquery regex selector
body: <p>I want to select some html elements with name starting with btn (btn1, btn2..)</p>
  
  <p>what is the most efficiant way to do that</p>
  
  <p>I try <a href="http://james.padolsey.com/javascript/regex-selector-for-jquery/">http://james.padolsey.com/javascript/regex-selector-for-jquery/</a> but dont manage to make it work</p>
  
  <pre><code>$(':regex(class,btn[0-9]').hover( function(){
  
  // not selecting any "btn" class
  
  }
  </code></pre>