R: Argument Matching

match_arg {filesstrings} | R Documentation

## Argument Matching

### Description

See `strex::match_arg()`.

### Usage

    match_arg(arg, choices = NULL, index = FALSE, several_ok = FALSE,
      ignore_case = FALSE)

    str_match_arg(arg, choices = NULL, index = FALSE, several_ok = FALSE,
      ignore_case = FALSE)

### Arguments

`arg` | A character vector (of length one unless `several_ok = TRUE`).
`choices` | A character vector of candidate values.
`index` | Return the index of the match rather than the match itself?
`several_ok` | Allow `arg` to have length greater than one to match several arguments at once?
`ignore_case` | Ignore case while matching. If this is `TRUE`, the returned value is the matched element of `choices` (with its original casing).

[Package filesstrings version 3.1.0 Index]