Validate CARC Group Codes
Arguments
- x
<chr> vector of CARC adjustment codes; should be of the form
GROUP-CARC, where GROUP is two letters, followed by a dash (-) and
CARC is a two-to-three character alphanumeric string.
Examples
x <- c("- 253", "OA-23", "PI-", "-45 ", "OA23")
is_carc_group(x)
#> [1] FALSE TRUE TRUE FALSE TRUE
x[which(is_carc_group(x))]
#> [1] "OA-23" "PI-" "OA23"