str_elems: Extract several single elements from a string.
Description
Efficiently extract several elements from a string. See str_elem() for
extracting single elements. This function is vectorized over the first
argument.
Usage
str_elems(string, indices, byrow = TRUE)
Arguments
string
A character vector.
indices
A vector of integerish values. Negative indexing is allowed as
in stringr::str_sub().
byrow
Should the elements be organised in the matrix with one row per
string (byrow = TRUE, the default) or one column per string (byrow = FALSE). See examples if you don't understand.