title: how to compare list elements(type string) and string(in request scope) using struts 2 tags
body: <p>My List contains("A","B","C","D") elements</p>
  
  <pre><code>&lt;s:iterator value="lis"&gt;
    &lt;s:property /&gt;&lt;br&gt;
  &lt;/s:iterator&gt;
  </code></pre>
  
  <p>and String str="A";</p>
  
  <pre><code>&lt;s:property value="%{#request.str}"/&gt;
  </code></pre>
  
  <p>I want to compare every element of list(lis) with String s.</p>