#' Parse a CURIE into prefix and reference
#'
#' @param curie Character of the form `"prefix:reference"` or `"prefix:"`.
#' @export
#' @examples
#' rr_parse_curie("country:GB")
#' rr_parse_curie("country:")
#' rr_parse_curie("country")
rr_parse_curie <- function(curie) {
prefix <- stringr::str_extract(curie, "^[^:]+(?=:)")
reference <- stringr::str_extract(curie, "(?<=:)[^:]+$")
list(prefix = prefix, reference = reference)
}
rr_curie_prefixes <- function(curies) {
if (is.vector(curies)) {
purrr::map_chr(curies, ~ rr_curie_prefixes(.x)$prefix)
} else {
rr_curie_prefixes(.x)$prefix
}
}
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