pan>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "[^[:alnum:]]*\\._\\.[^[:alnum:]]*"</span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="fu">inside_punct</span><span class="op">(</span><span class="st">"abc"</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "[^[:alnum:]]*abc[^[:alnum:]]*"</span>
</code></pre></div>
    </div>
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