title: Excel Countif Not equal to string length of zero
body: <p>I have a formula an iferror formula that puts in "" if an error occurs. This is a zero length string. I'd like to do a count if not equal to "". </p>
  
  <pre><code>=countif(A:A,&lt;&gt;"") 'is not a valid formulas
  =countif(A:A,"&lt;&gt;") 'checks for actual blanks, not zero length strings
  </code></pre>