title: Parsing a non-uniform string into integers
body: <p>I am writing a parser for .obj files, and there is a part of the file that is in the format </p>
  
  <blockquote>
    <p>f [int]/[int] [int]/[int] [int]/[int]</p>
  </blockquote>
  
  <p>and the integers are of unknown length. In each [int]/[int] pair, they both need to be put onto separate arrays. What is the simplest method to separate them as integers?</p>