an class="special">{</span><span class="identifier">n</span><span class="special">,</span> <span class="identifier">m</span><span class="special">}</span></code> Matches 'a' repeated <span class="emphasis"><em>between n
        and m times inclusive</em></span>.
      </p>
<p>
        For example:
      </p>
<pre class="programlisting">^a{2,3}$</pre>
<p>
        Will match either of:
      </p>
<pre class="programlisting"><span class="identifier">aa</span>
<span class="identifier">aaa</span>
</pre>
<p>
    