title: StringBuffer find 'start' and 'end' and write anything between them
body: <p>StringBuffer find 'start' and 'end' and write anything between them</p>
  
  <p>example:</p>
  
  <pre><code>text1
  text2
  start
  text3
  text4
  end
  text5
  </code></pre>
  
  <p>can i just print out of StringBuffer text3 and text4' Text that is between 'start' and 'end'</p>