title: Regex pattern to edit /etc/sudoers file
body: <p>I want to remove (uncommnet #) wheel group in /etc/sudoers file so what would be the Regex pattern i should use?</p>
  
  <pre><code>#cat /etc/sudoers
  ....
  ....
  ## Allows members of the 'sys' group to run networking, software,
  ## service management apps and more.
  # %sys ALL = NETWORKING, SOFTWARE, SERVICES, STORAGE, DELEGATING, PROCESSES, LOCATE, DRIVERS
  
  ## Allows people in group wheel to run all commands
  # %wheel        ALL=(ALL)       ALL
  
  ## Same thing without a password
  # %wheel  ALL=(ALL)       NOPASSWD: ALL
  
  ....
  ....
  </code></pre>
  
  <p>I want to remove # from following line. </p>
  
  <pre><code>...
  # %wheel  ALL=(ALL)       NOPASSWD: ALL
  ...
  </code></pre>