title: Regex - How to delete the first 10 lines / and the last 10 lines
body: <p>I'm trying to make a regex that deletes the first and the last 10 lines of my 200 txt files with "Search and Replace all"</p>
  
  <p>I tried <code>(\s*^(\h*\S.*)){10}</code> to delete the first 10 lines blanks included but it doesn't work well.</p>