title: how to implement wildcard search with sunspot
body: <p>any help is always welcome
  I am using sunspot with solr but not able to find any good solution that how to perform wildcard search with sunspot</p>
  
  <p>if i search for 8088*<em>*</em>*</p>
  
  <p>it should return all numbers starts with 8088 but not 228088560</p>