stringi (version 0.2-5)

stri_isempty: 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

Value

• Returns a logical vector of the same length as str.

Details

Missing values are handled properly, as opposed to the built-in nzchar function.

See Also

Other length: stri_length; stri_numbytes

Examples

if (stri_install_check(silent=TRUE))
stri_isempty(letters[1:3])

if (stri_install_check(silent=TRUE))
stri_isempty(c(',', '', 'abc', '123', '\u0105\u0104'))

if (stri_install_check(silent=TRUE))
stri_isempty(character(1))