title: LInux vi editor,how to replace special character?
body: <p>I wrote some text in vi editor,such as</p>
  
  <pre><code>xxx
  xxx.g/gasd/ga
  gasdj\gqweg/fsda
  fg-cgdohd
  </code></pre>
  
  <p>now I want to replace the "/g" to "abc"
  how to escape it
  I wrote</p>
  
  <pre><code>:%s/'/g'/abc/g
  </code></pre>
  
  <p>in command line,it's no working,how to do it?</p>