Wildcards
zero_or_more(..., type = c("greedy", "lazy", "possessive"))one_or_more(..., type = c("greedy", "lazy", "possessive"))
maybe(..., type = c("greedy", "lazy", "possessive"))
shortcuts, R variables, text, or other rex
functions.
the type of match to perform.
There are three match types
greedy: match the longest string. This is the default matching type.
lazy: match the shortest string. This matches the shortest string from the same anchor point, not necessarily the shortest global string.
possessive: match and don't allow backtracking
zero_or_more: match ... zero or more times.
one_or_more: match ... one or more times.
maybe: match ... zero or one times.
Other rex:
%or%(),
capture(),
character_class(),
counts,
group(),
lookarounds,
not(),
rex(),
shortcuts