match arg to choices

Wrapper around match.arg that defaults to ignoring case and trimming white space

match_arg(arg, choices, multiple = FALSE, ignore_case = TRUE,
  trim_ws = TRUE)

Arguments

arg	a character vector (of length one unless several.ok is TRUE) or NULL
choices	a character vector of candidate values
multiple	logical specifying if arg should be allowed to have more than one element. Defaults to FALSE
ignore_case	logical indicating whether to ignore capitalization. Defaults to TRUE
trim_ws	logical indicating whether to trim surrounding white space. Defaults to TRUE

Value

Value(s) matched via partial matching.