title: Get only numbers from string
body: <p>i want to get only numbers from string.</p>
  
  <p>Lest say that this is my string :</p>
  
  <p><code>324ghgj123</code></p>
  
  <p>i want to get:</p>
  
  <pre><code>324123
  </code></pre>
  
  <p>what i have tried:</p>
  
  <pre><code>MsgBox(Integer.Parse("324ghgj123"))
  </code></pre>