stri_isempty {stringi} | R Documentation |
Determine if a String is of Length Zero
Description
This is the fastest way to find out whether the elements of a character vector are empty strings.
Usage
stri_isempty(str)
Arguments
str |
character vector or an object coercible to |
Details
Missing values are handled properly.
Value
Returns a logical vector of the same length as str
.
Author(s)
Marek Gagolewski and other contributors
See Also
The official online manual of stringi at https://stringi.gagolewski.com/
Gagolewski M., stringi: Fast and portable character string processing in R, Journal of Statistical Software 103(2), 2022, 1-59, doi:10.18637/jss.v103.i02
Other length:
%s$%()
,
stri_length()
,
stri_numbytes()
,
stri_pad_both()
,
stri_sprintf()
,
stri_width()
Examples
stri_isempty(letters[1:3])
stri_isempty(c(',', '', 'abc', '123', '\u0105\u0104'))
stri_isempty(character(1))
[Package stringi version 1.8.4 Index]