<div class="usage"></div><div class="doc"><pre class="plaintext">passes if the value is a rational

(matcha/run-match matcha/rational? 1)     ; =&gt; passes
(matcha/run-match matcha/rational? &quot;a&quot;) ; =&gt; fails</pre></div></div><div class="public anchor" id="var-re-matches"><h3>re-matches</h3><div class="usage"><code>(re-matches re)</code></div><div class="doc"><pre class="plaintext">passes if the string matches the regex given

(matcha/run-match (matcha/is-in? #&quot;\d+&quot;) &quot;1&quot;) ; =