8:          6.5         3.0 virginica
#&gt; 149:          6.2         3.4 virginica
#&gt; 150:          5.9         3.0 virginica</div><div class='input'><span class='no'>iris</span> <span class='kw'>%&gt;%</span> <span class='fu'>select_dt</span>(<span class='st'>"Pe|Sp"</span>)</div><div class='output co'>#&gt;      Petal.Length Petal.Width   Species
#&gt;   1:          1.4         0.2    setosa
#&gt;   2:          1.4         0.2    setosa
#&gt;   3:          1.3         0.2    setosa
#&gt;   4:   