title: Python Regex - Simple regular expression isn't matching
body: <p>I have this simple bit of code:</p>
  
  <pre><code>import re
  kek = "./${COMPUTERNAME}/exe/jej"
  reg = r"\${(COMPUTERNAME)}"
  print kek
  print reg
  match2 = re.match(reg, kek)
  print (match2)
  </code></pre>
  
  <p>which output:</p>
  
  <blockquote>
    <p>./${COMPUTERNAME}/exe/jej</p>
    
    <p>\${(COMPUTERNAME)}</p>
    
    <p>None</p>
  </blockquote>
  
  <p>So it doesn't match.
  I tested the string on regex101.com and on other websites as well, and it is working as intended (this is actually a test regex since i was trying to debug a larger regex), and i can't find why would it not work with python...</p>
  
  <p>I also tried multiple combination with more or less backslashes.</p>