title: How to use 'starts with' or 'LIKE' clause in iot hub route query
body: <p><strong>having device id &quot;KUKU1234&quot;</strong></p>
  <p>I would like to know how to route only devices that their device id starts with 'kuku'
  something like:</p>
  <p>$connectionDeviceId LIKE 'KUKU%'</p>
  <p>but the above throws syntax error</p>