title: Install new regex module with setup.py
body: <p>I'm trying to install the new Regex module </p>
  
  <p>The readme.txt says:::</p>
  
  <pre><code>To build and install regex for your default Python run 
  
      python setup.py install
  
  To install regex for a specific version run setup.py with that interpreter, e.g.
  
      python3.1 setup.py install
  </code></pre>
  
  <p>I type in <code>python setup.py install</code> and get back <code>/Library/Frameworks/Python.framework/Versions/7.3/Resources/Python.app/Contents/MacOS/Python: can't open file 'setup.py': [Errno 2] No such file or directory</code></p>
  
  <p>I'm looking for the answer but people keep referring me to the Python docs and they are confusing.</p>
  
  <p>I know it is really simple but I'm just not sure why it isn't working. </p>