stri_isempty: Determine if a String is of Length Zero

In stringi: Fast and Portable Character String Processing Facilities

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, \Sexpr[results=rd]{tools:::Rd_expr_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))

stringi documentation built on Nov. 23, 2023, 5:07 p.m.