title: Remove all text before first occurence of specific characeter in R
body: <p>Look at following vector:</p>
  
  <pre><code>x &lt;- c("MED - This means medic - somecode123", "HIV" - This means HIV -somecode456")
  </code></pre>
  
  <p>Now I want the vector: containing the values </p>
  
  <pre><code> This means medic - somecode123` 
   This means HIV - somecode1456
  </code></pre>
  
  <p>I seem not able to solve this using <code>gsub</code>...</p>