Make a regex to match a rich-fill-blank answer exactly, case-insensitively.

Make a regex to match a rich-fill-blank answer exactly, case-insensitively.

Usage

case_insensitive(s)

Arguments

s

A string

Value

A string with alphabetical characters replaced with [Aa] etc, and regex special characters escaped.

Examples

ns <- asNamespace("examiner")
ns$case_insensitive("Test") |> stringr::str_detect("test", pattern = _)
#> [1] TRUE
ns$case_insensitive("æøå") |> stringr::str_detect("ÆØÅ", pattern = _)
#> [1] TRUE
ns$case_insensitive("x[1]") |> stringr::str_detect("X[1]", pattern = _)
#> [1] TRUE
ns$case_insensitive("x[Aa]") |> stringr::str_detect("Xa", pattern = _)
#> [1] FALSE
ns$case_insensitive("x[Aa]") |> stringr::str_detect("X[Aa]", pattern = _)
#> [1] TRUE