pan id="cb15-11"><a href="#cb15-11" tabindex="-1"></a>matches <span class="ot">&lt;-</span> <span class="fu">regexec</span>(<span class="at">pattern =</span> noun, <span class="at">text =</span> <span class="fu">head</span>(sentences))</span>
<span id="cb15-12"><a href="#cb15-12" tabindex="-1"></a><span class="fu">do.call</span>(<span class="st">&quot;rbind&quot;</span>, <span class="fu">regmatches</span>(<span class="at">x =</span> <span class="fu">head</span>(sentences), <span class="at">m =</span> matche