title: How could we use regular expression in GNUmake
body: <p>I am new to GNUmake and I need to check if a string <strong>does not</strong> ends with &quot;FEATURE&quot; in it.</p>
  <pre><code> ifeq (&lt;check_if_a_string_doesnot_end_with_&quot;FEATURE&quot;&gt;)
     ....Do someting
   endif
  </code></pre>