str_extract_currencies(string)extract_currencies(string)
str_nth_currency(string, n)
nth_currency(string, n)
str_first_currency(string)
first_currency(string)
str_last_currency(string)
last_currency(string)
A character vector.
A vector of integerish values. Must be either length 1 or
have length equal to the length of string
. Negative indices count from
the back: while n = 1
and n = 2
correspond to first and second, n = -1
and n = -2
correspond to last and second-last. n = 0
will return
NA
.