title: Line's number using regex in Notepad++?
body: <p>Is it possible to get the line's number using regex in Notepad++; </p>
  
  <p>what I want to do, is replacing:</p>
  
  <pre><code>line1
  line2
  line3
  etc..
  </code></pre>
  
  <p>with</p>
  
  <pre><code>1-line1
  2-line2
  3-line3
  etc..
  </code></pre>