title: maximum value of a substring in an array
body: <pre><code>var arr = [
  {"subId":"dfsfsdfsdfSUB201800099","userID":"dfsfsdfsdf"},
  {"subId":"dfsfsdfsdfSUB201800139","userID":"dfsfsdfsdf"},
  {"subId":"dfsfsdfsdfSUB201700649","userID":"dfsfsdfsdf"}, 
  {},
  {}............]
  </code></pre>
  
  <p>I have an array , I want to find the value of subId which contains "dfsfsdfsdfSUB2017" and is the maximum 00139 in this example.</p>