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Test if vector can be interpreted as roman numerals

Source: R/as_factor.R
possibly_roman.Rd

Test if vector can be interpreted as roman numerals

Usage

possibly_roman(data)

Arguments

data

character vector

Value

logical

Examples

sample(1:100, 10) |>
  as.roman() |>
  possibly_roman()
#> [1] TRUE
sample(c(TRUE, FALSE), 10, TRUE) |> possibly_roman()
#> [1] FALSE
rep(NA, 10) |> possibly_roman()
#> [1] FALSE