expressive enough for your
    needs, several alternative exists: regular expressions (module
    <a href="Str.html"><code class="code"><span class="constructor">Str</span></code></a>), stream parsers, <code class="code">ocamllex</code>-generated lexers,
    <code class="code">ocamlyacc</code>-generated parsers.</li>
</ul>
<h3 id="indication">Scanning indications in format strings</h3><p>Scanning indications appear just after the string conversions <code class="code">%s</code>
    and <code class="code">%[&