str_elem {strex} | R Documentation |
Extract a single character from a string, using its index.
Description
If the element does not exist, this function returns the empty string. This
is consistent with stringr::str_sub()
. This function is vectorised over
both arguments.
Usage
str_elem(string, index)
Arguments
string |
A character vector. |
index |
An integer. Negative indexing is allowed as in
|
Value
A one-character string.
See Also
Other single element extractors:
str_elems()
,
str_paste_elems()
Examples
str_elem(c("abcd", "xyz"), 3)
str_elem("abcd", -2)
[Package strex version 2.0.0 Index]