Variable: tramp-postfix-user-regexp
tramp-postfix-user-regexp is a variable defined in tramp.el.gz.
Value
"@"
Documentation
Regexp matching delimiter between user and host names.
Derived from tramp-postfix-user-format.
Source Code
;; Defined in /usr/src/emacs/lisp/net/tramp.el.gz
(defconst tramp-postfix-user-regexp (regexp-quote tramp-postfix-user-format)
"Regexp matching delimiter between user and host names.
Derived from `tramp-postfix-user-format'.")