Finding invisible/non printable characters in a string

[David V Glasgow]

Hi folks, hope everyone is well.

Would I be right in thinking if codepoint count > the number of chars in a text string, then it probably contains invisible characters?  

Or would I need to search through Hex to check?

Or something much easier and cleverer that I hadn’t even considered.  Because that’s what this list and working with Livecode is like.

Cheers

David Glasgow