I am working with a plain text file that has invisible characters that I do not recognise. How can I identify them?
In Atom, they show as blanks when I toggle to show invisible characters. They do not show as a common space (the one that Atom shows as a small centered dot).
In BBEdit, it shows as a centered dot that looks slightly thicker than the common space. Replacing non-ASCII characters (with 'zap gremlins') does not replace it.
I can copy the character into a regular expression, and the query will find the character. It is not recognised as a white space character with
I will copy the character here (between the arrows), but I have no idea if it actually shows up! -> <-
(wow, pasting an unknown invisible character felt absurdly awkward...)