title: How to replace a word in a String?
body: <p>I'm using a <code>String</code> like:</p>
  
  <pre><code>String message = "%%NAME is inviting you";
  </code></pre>
  
  <p>I am using <code>message.replaceAll("%%NAME", me);</code> where <code>me</code> is a <code>String</code>. This line of code is not working for me. I was wondering what I was doing wrong?</p>