Variable: c-maybe-quoted-number-tail
c-maybe-quoted-number-tail is a variable defined in cc-mode.el.gz.
Value
"\\(\\([xX']?[[:xdigit:]]\\('[[:xdigit:]]\\|[[:xdigit:]]\\)*\\)\\|\\([bB']?[01]\\('[01]\\|[01]\\)*\\)\\|\\('?[0-9]\\('[0-9]\\|[0-9]\\)*\\)\\)"
Documentation
Regexp matching the tail of a numeric literal, including with digit separators.
Note that this is a strict tail, so won't match, e.g. "0x....".
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/cc-mode.el.gz
(defconst c-maybe-quoted-number-tail
(concat
"\\("
"\\([xX']?[[:xdigit:]]\\('[[:xdigit:]]\\|[[:xdigit:]]\\)*\\)"
"\\|"
"\\([bB']?[01]\\('[01]\\|[01]\\)*\\)"
"\\|"
"\\('?[0-9]\\('[0-9]\\|[0-9]\\)*\\)"
"\\)")
"Regexp matching the tail of a numeric literal, including with digit separators.
Note that this is a strict tail, so won't match, e.g. \"0x....\".")