title: Python regex expression to remove hyphens between lowercase characters
body: <p>I need to remove the hyphens between lowercase letters only. This is the expression that I have currently:</p>
  
  <pre><code>re.sub('\[a-z]-\[a-z]', "", 'hyphen-ated Asia-Pacific 11-12')
  </code></pre>
  
  <p>I want it to return:</p>
  
  <pre><code>'hyphenated Asia-Pacific 11-12'
  </code></pre>