title: Check python string format?
body: <p>I have a bunch of strings but I only want to keep the ones with this format:</p>
  
  <p>x/x/xxxx xx:xx</p>
  
  <p>What is the easiest way to check if a string meets this format? (Assuming I want to check by if it has 2 /'s and a ':' )</p>