rex(..., env = parent.frame())
shortcuts
, R variables, text, or other .
, capture
,
capture_group
;
%if_next_is%
,
%if_next_isnt%
,
%if_prev_is%
,
%if_prev_isnt%
,
lookarounds
; %or%
,
or
; any_of
,
character_class
, except
,
except_any_of
,
except_some_of
,
exclude_range
, none_of
,
one_of
, range
,
some_of
; at_least
,
at_most
, between
,
counts
, n
,
n_times
; group
;
maybe
, one_or_more
,
wildcards
, zero_or_more
,
zero_or_one
; not
;
shortcuts