Variable: gnus-button-valid-fqdn-regexp

gnus-button-valid-fqdn-regexp is a customizable variable defined in gnus-art.el.gz.

Value

"\\([-A-Za-z0-9]+\\.\\)+[A-Za-z]+"

Documentation

Regular expression that matches a valid FQDN.

This variable was added, or its default value changed, in Emacs 26.1.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/gnus-art.el.gz
(defcustom gnus-button-valid-fqdn-regexp "\\([-A-Za-z0-9]+\\.\\)+[A-Za-z]+"
  "Regular expression that matches a valid FQDN."
  :version "26.1"
  :group 'gnus-article-buttons
  :type 'regexp)