title: Grep Search And Replace in Mass Files
body: <p>Even though there are lots of grep questions and answers, these don't answer and I need help in this. I need to make</p>
  
  <pre><code>Title-BEX-override-8&gt;"
  </code></pre>
  
  <p>expressions to become</p>
  
  <pre><code>Title-BEX&gt;"
  </code></pre>
  
  <p>Any letters or words among <code>Title-BEX</code> and <code>&gt;"</code> should be terminated. I need an exact grep expression for this.</p>
  
  <p>And some optional answers can be about this: I want to do is thin multiple files. And prefer doing this in Mac.</p>