Remove All Empty Strings from a Character Vector

stri_remove_empty (alias stri_omit_empty) removes all empty strings from a character vector, and, if na_empty is TRUE, also gets rid of all missing values.

stri_remove_empty_na (alias stri_omit_empty_na) removes both empty strings and missing values.

stri_remove_na (alias stri_omit_na) returns a version of x with missing values removed.

Usage

stri_remove_empty(x, na_empty = FALSE)

stri_omit_empty(x, na_empty = FALSE)

stri_remove_empty_na(x)

stri_omit_empty_na(x)

stri_remove_na(x)

stri_omit_na(x)

Arguments

x

a character vector

na_empty

should missing values be treated as empty strings?

Value

Returns a character vector.

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 utils: stri_list2matrix(), stri_na2empty(), stri_replace_na()

Author

Marek Gagolewski and other contributors

Examples

stri_remove_empty(stri_na2empty(c('a', NA, '', 'b')))
#> [1] "a" "b"
stri_remove_empty(c('a', NA, '', 'b'))
#> [1] "a" NA  "b"
stri_remove_empty(c('a', NA, '', 'b'), TRUE)
#> [1] "a" "b"

stri_omit_empty_na(c('a', NA, '', 'b'))
#> [1] "a" "b"