Variable: whitespace-trailing-regexp

whitespace-trailing-regexp is a customizable variable defined in whitespace.el.gz.

Value

"\\([	  ]+\\)$"

Documentation

Regexp to match trailing characters that should be visualized.

The trailing characters are highlighted using the whitespace-trailing face. There may be other characters besides:

   " " "\\t" "\\u00A0"

that should be considered blank.

NOTE: Always enclose the elements to highlight in "\\\\("..."\\\\)$".
      Use exactly one pair of enclosing elements above.

This variable is used when whitespace-style includes trailing.

Source Code

;; Defined in /usr/src/emacs/lisp/whitespace.el.gz
(defcustom whitespace-trailing-regexp
  "\\([\t \u00A0]+\\)$"
  "Regexp to match trailing characters that should be visualized.

The trailing characters are highlighted using the `whitespace-trailing' face.
There may be other characters besides:

   \" \"  \"\\t\"  \"\\u00A0\"

that should be considered blank.

NOTE: Always enclose the elements to highlight in \"\\\\(\"...\"\\\\)$\".
      Use exactly one pair of enclosing elements above.

This variable is used when `whitespace-style' includes `trailing'."
  :type '(regexp :tag "Trailing Chars"))