title: In as string, how to remove one part which known 'start' and 'end'?
body: <p>There is <em>sku</em> name in below dataframe, I want to remove the part which start with 'V' and end with 'b', my code  <code>str_remove_all(sku_name,&quot;^(V).*?(\\b)$&quot;)</code> can't work.</p>
  <p>Anyone can help?</p>
  <pre><code>mydata &lt;- data.frame(sku_name=c('wk0001 V1b','123780 PRO V326b','ttttt V321b'))
  mydata %&gt;% mutate(sku_name_new=str_remove_all(sku_name,&quot;^(V).*?(\\b)$&quot;))
  </code></pre>