title: How can "squeeze-repeated" words?
body: <p>How can "squeeze-repeated" words?
  similar to "squeeze repeated characters" with <code>tr -s ''</code></p>
  
  <p>I would like to change for example:</p>
  
  <pre><code>hello.hello.hello.hello
  </code></pre>
  
  <p>to </p>
  
  <pre><code>hello
  </code></pre>