Variable: reftex-label-illegal-re

reftex-label-illegal-re is a customizable variable defined in reftex-vars.el.gz.

Value

"[^-a-zA-Z0-9_+=:;,.]"

Documentation

Regexp matching characters not valid in labels.

Source Code

;; Defined in /usr/src/emacs/lisp/textmodes/reftex-vars.el.gz
(defcustom reftex-label-illegal-re "[^-a-zA-Z0-9_+=:;,.]"
  "Regexp matching characters not valid in labels."
  :group 'reftex-making-and-inserting-labels
  :type '(regexp :tag "Regular Expression"))