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<h2 class="hasAnchor">
<a href="#references" class="anchor"></a>References</h2>
<ul>
<li>
<code>gregexpr</code>: <a href="https://stat.ethz.ch/pipermail/r-devel/2017-January/073577.html" class="uri">https://stat.ethz.ch/pipermail/r-devel/2017-January/073577.html</a>
</li>
<li>
<code>substring</code>: <a href="https://stat.ethz.ch/pipermail/r-devel/2019-February/077318.html" class="uri">https://stat.ethz.ch/pipermail/r-devel/2019-February/077318.html</a>
</li>
</ul>
</div>
<div id="rep