ass="info-attributes">
<li><b>Since</b> 4.13.0</li>
</ul>
</div>

<pre><span id="VALexists"><span class="keyword">val</span> exists</span> : <code class="type">f:(char -&gt; bool) -&gt; string -&gt; bool</code></pre><div class="info ">
<div class="info-desc">
<p><code class="code">exists&nbsp;p&nbsp;s</code> checks if at least one character of <code class="code">s</code> satisfies the predicate
    <code class="code">p</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.13.0</li>
</ul>
</div>