title: How to remove all leading zeroes in a string
body: <p>If I have a string</p>
  
  <pre><code>00020300504
  00000234892839
  000239074
  </code></pre>
  
  <p>how can I get rid of the leading zeroes so that I will only have this</p>
  
  <pre><code>20300504
  234892839
  239074
  </code></pre>
  
  <p>note that the number above was generated randomly.</p>