span class="r-in"><span>        match_pattern <span class="op">=</span> <span class="st">'!![^[:space:]]+[[:space:]]?'</span>,</span></span>
<span class="r-in"><span>        removal_patterns <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"^!!"</span>, <span class="st">"[[:space:]]?$"</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&