title: How to include forward slash in vi search & replace
body: <p>I have a file that contains the string <code>usrbin</code>. I want to search for <code>usrbin</code> and replace it with <code>/usr/bin/</code>.</p>
  
  <p>I tried <code>:%s/usrbin/usr/bin/g</code>, but it's showing error <code>E488: Trailing characters</code>.</p>
  
  <p>How do I include a forward slash in a search and replace?</p>