title: Vim: how to select a rect area and do copy/paste
body: <p>e.g.</p>
  
  <pre><code>1.1.1.1  a.com
  2.1.1.1  b.com
  1.3.1.1  c.com
  1.1.5.1  d.com
  1.2.1.1  e.com
  </code></pre>
  
  <p>now I want to replace this ip from another text, not the same width, like 111.222.111.222, is also store in a rect text. </p>
  
  <p>I know that Ctrl+v can do rect select, but how to do copy and paste?</p>