method
    
    delete_matched
  delete_matched(matcher, options = nil)
  public
  Delete all entries with keys matching the pattern.
Options are passed to the underlying cache implementation.
All implementations may not support this method.
  
    
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 joshuapinter -  
    August  7, 2013 
    
  
  
  
       
  
  
  
          
    
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  Not Supported on Memcached.
Just an FYI, this is not supported on Memcached, so I would avoid it if you’re using FileStore and are planning on moving over to Memcached eventually.

  
  
  
    