title: Can MongoDB do alphanumeric sort?
body: <p>I need to do a alphanumeric sort on one of the fields in my collection. This field contains Chromosome info. </p>
  
  <pre><code>Chr1, 
  Chr2,
  ..,
  ..,
  ..,
  Chr10,
  Chr11,
  ..,
  ..,
  ChrX,
  ChrY
  </code></pre>
  
  <p>Instead of getting the values in this order, I get them in </p>
  
  <pre><code>Chr1, 
  Chr11
  </code></pre>
  
  <p>This is a common problem and was wondering whether MongoDB has an in-built solution for this sort or should we hack it as we normally do in Oracle. 
  If there is no in-built solution, what is the best way to get this sort? Natural sort is an acceptable solution, but I have already applied it to another field. </p>
  
  <p>Any help would would be greatly appreciated. </p>