Search values or patterns in a vector — whichIs • inSilecoMisc

Search values or patterns in a vector.

whichIs(x, y, isPattern = FALSE, ...)

Arguments

x	a vector of values or patterns to be searched for.
y	a vector where x values are searched for.
isPattern	should x be considered as a vector of patterns?
...	further arguments to be passed to `base::which()`.

A list of positions. Each element corresponds to the matches for a specific x value.

vec <- LETTERS[1:10]
spl <- sample(vec)
id <- unlist(whichIs(vec, spl))
identical(vec, spl[id])
#> [1] TRUE