     #   username : koding user
 
     {username} = options
-    username = new RegExp '^'+username
+    username = new RegExp '^'+username+'_'
 
     db = new mongo.Db 'admin', @server, native_parser: false
 

          callback? "[ERROR] can't authenticate user #{dbUser} in #{dbName} with current password: #{err}"
        else
          db.dropDatabase (err,result)->
            if err?
              log.error "[ERROR] can't drop database #{dbName}"
              callback?  "[ERROR] can't drop database #{dbName}"

          db.addUser dbUser,newPassword,(err,result)->
            db.authenticate dbUser,newPassword,(err,result)->
              if err?
                log.error "[ERROR] can't change password for user #{dbUser} in databse #{dbUser}: #{err}"
                callback? "[ERROR] can't change password for user #{dbUser} in databse #{dbUser}: #{err}"
              else
                log.info "[OK] password for user #{dbUser} in database #{dbUser} has been changed"
                callback? null,"[OK] password for user #{dbUser} in database #{dbUser} has been changed"

  removeDatabase : (options,callback)->

