title: How to modify regular expression for ip:port?
body: <p>I have regular expression like</p>
  
  <pre><code>match = re.findall(r'[0-9]+(?:\.[0-9]+){3}', source)
  </code></pre>
  
  <p>It works fine to take something like 192.168.1.1 from source string.
  How I can modify this regular expression for make it work with something like this:</p>
  
  <pre><code>192.168.1.1:80
  </code></pre>
  
  <p>Thank You for help.</p>
  
  <p>P.S. Sorry for my bad english.</p>