title: Keep the last 9 digits of an alphanumeric string in R
body: <p>Please R-gurus, how can I keep the last 9 digits of an alphanumeric string
  for e.g.  </p>
  
  <blockquote>
    <p>LA XAN 000262999444<br>
    RA XAN 000263000507<br>
    WA XAN 000263268038<br>
    SA XAN 000263000464<br>
    000263000463<br>
    000263000476  </p>
  </blockquote>
  
  <p>I only want to get  </p>
  
  <blockquote>
    <p>262999444<br>
    263000507<br>
    263268038<br>
    263000464<br>
    263000463<br>
    263000476</p>
  </blockquote>
  
  <p>Thanks a lot</p>