title: Regex lines with exactly 4 semicolons
body: <p>I want to filter lines with exactly 4 semicolons in it.</p>
  
  <p>More or less semicolons should not be processed. I'm using regex/grep:</p>
  
  <p>POSITIVE Example:</p>
  
  <pre><code>VES_I.MG;A;97;13;1
  </code></pre>
  
  <p>NEGATIVE Example:</p>
  
  <pre><code>VES_I.MG;A;97;13;1;2
  </code></pre>