title: Python Regex: having trouble with # of occurrance
body: <p>Can someone tell me why the following does not match:</p>
  
  <pre><code>&gt;&gt;&gt; re.search(r'(\d{2, 10})', '153')
  </code></pre>
  
  <p>and this one matches: </p>
  
  <pre><code>&gt;&gt;&gt; re.search(r'\d{3}', '153')
  &lt;_sre.SRE_Match object at 0x02110368&gt;
  </code></pre>