how to get the string of html tag ?

[godpit]

'<div>
   <table>
      <tr>
         <td class="td class">Row value 1</td>
         <td class="td class">Row value 2</td>
      </tr>
      <tr>
         <td class="td class">Row value 3</td>
         <td class="second td class">Row value 4</td>
      </tr>
      <tr>
         <td class="third td class">Row value 1</td>
         <td class="td class">Row value 1</td>
      </tr>
   </table>
</div>'
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how to get it like this?  I need the string of context.
'<table>
  <tr>
     <td class="td class">Row value 1</td>
     <td class="td class">Row value 2</td>
  </tr>
  <tr>
     <td class="td class">Row value 3</td>
     <td class="second td class">Row value 4</td>
  </tr>
  <tr>
     <td class="third td class">Row value 1</td>
     <td class="td class">Row value 1</td>
  </tr>
</table>'