Variable: rx--builtin-names
rx--builtin-names is a variable defined in rx.el.gz.
Value
(seq sequence : and or | any in char not-char not intersection repeat
= >= ** zero-or-more 0+ * one-or-more 1+ + zero-or-one opt
optional \? *? +? \?? minimal-match maximal-match group submatch
group-n submatch-n backref syntax not-syntax category literal
eval regexp regex nonl not-newline any anychar anything
unmatchable bol eol line-start line-end bos eos string-start
string-end bow eow word-start word-end symbol-start symbol-end
point word-boundary not-word-boundary not-wordchar digit numeric
num control cntrl hex-digit hex xdigit blank graphic graph
printing print alphanumeric alnum letter alphabetic alpha ascii
nonascii lower lower-case punctuation punct space whitespace
white upper upper-case word wordchar unibyte multibyte)
Documentation
List of built-in rx names. These cannot be redefined by the user.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/rx.el.gz
(defconst rx--builtin-names
(append rx--builtin-forms rx--builtin-symbols)
"List of built-in rx names. These cannot be redefined by the user.")