title: How to perform a 'grep' search that excludes line starting with "//"and its preceding spaces?
body: <p>How to perform a 'grep' search which doesn't display any lines that have the comment marks "//" in the front of the line, but also ignore whitespace in front of the "//" marks?</p>
  
  <p>I attempted <code>grep your_search_pattern' where_to_look | grep -v '^//</code>, but it does not ignore lines that have spaces before "//".</p>