title: extract last number from the right until special character
body: <p>I'm new to excel , example of data that i need extract the <code>last number</code> until it found comma "<code>,</code>" </p>
  
  <pre><code>712044789659787268,"ほんとやめて、視聴者を殺しに来るのは",1.0   
  </code></pre>
  
  <p>Result should be <code>1.0</code> </p>
  
  <p>i tried <code>=RIGHT(C1,FIND(",",C1)+1)</code> but didn't solve </p>