title: extract unique characters in an excel range except some characters function
body: <p>If an excel has string data in A1:B100, I want to extract characters except A-Z a-z 0-1 and display one time per character. I want to get like +,-, etc.
  Could someone please give me a hand?</p>
  
  <p>Example Data is</p>
  
  <pre><code>+------------+------+
  |    ColA    | ColB |
  +------------+------+
  | Blue Berry | 4    |
  | Apple      | 4+   |
  | Orange;    | 44   |
  +------------+------+
  </code></pre>
  
  <p>I want the result in one cell as Space+;</p>