syn-coresym">some</span> <span class="mdzsyn-string">"a"</span>) <span class="mdzsyn-string">"t"</span>)))

(<span class="mdzsyn-coresym">peg/match</span> <span class="mdzsyn-symbol">find-cats</span> <span class="mdzsyn-string">"cat ct caat caaaaat cat"</span>) <span class="mdzsyn-comment"># -&gt; @[0 7 12 20]</span></code></pre><p>We can also wrap a peg to turn it into a global substituion grammar with
the accumulate special <code class="mendoza-code">(%)</code>.
</p>
<pre class="mendoza-codeblock"><code d