nano has a useful bit of syntax highlighting that actually highlights whitespace (tabs and spaces), under two conditions: (1) the whitespace does not have a non-whitespace character between either the last character or the beginning of the line and it, and (2) that the file is source code and not plain, plain text (as in a shopping list). How can I emulate this kind of behavior in
So my files look like this when those charaters are present.
So to answer to your comment, you can do that by adding this to your
You can change the highlight colors and refine the regular expression as needed.