title: Capturing a repeating group
body: <p>I am trying to write a regex that would match and capture the following for me ... </p>
  
  <p>String: 17+18+19+5+21</p>
  
  <p>Numbers to be captured here (separately) are present in the array - [17,18,21]. </p>
  
  <p>Please note that the string can be n character long (following the same pattern of \d+) and the order of these numbers in the string are not fixed.</p>
  
  <p>Thanks in advance</p>