R: Extract a single character from a string, using its index.

str_elem {filesstrings}

R Documentation

Extract a single character from a string, using its index.

If the element does not exist, this function returns the empty string.

str_elem(string, index)

`string`	A string.
`index`	An integer. Negative indexing is allowed as in `stringr::str_sub()`.

A one-character string.

str_elem(c("abcd", "xyz"), 3)
str_elem("abcd", -2)

[Package filesstrings version 2.5.0 Index]