Graphite: group by node fragment
<p>If I have metrics named:</p>

<pre><code>statsite.gauges.a-ABC-1.thing
statsite.gauges.a-ABC-2.thing
statsite.gauges.a-CBA-1.thing
</code></pre>

<p>Is it possible to group these metrics by a particular fragment, for instance:</p>

<pre><code>statsite.gauges.a-{groupByThisPart}-*.thing
</code></pre>

<p>So that I can feed them into another function such as sumSeries.</p>