title: alternative approach because package ‘str_detect’ is not available (for R version 3.4.1)
body: <p>I'm trying to use <code>str_detect</code> function in R but am getting the following error message</p>
  
  <blockquote>
    <p>package ‘str_detect’ is not available (for R version 3.4.1).</p>
  </blockquote>