stri_enc_isascii: Check If a Data Stream Is Possibly in ASCII¶
Description¶
The function checks whether all bytes in a string are <= 127.
Usage¶
stri_enc_isascii(str)
Arguments¶
|
character vector, a raw vector, or a list of |
Details¶
This function is independent of the way R marks encodings in character strings (see Encoding and stringi-encoding).
Value¶
Returns a logical vector. The i-th element indicates whether the i-th string corresponds to a valid ASCII byte sequence.
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 encoding_detection: about_encoding, stri_enc_detect(), stri_enc_detect2(), stri_enc_isutf16be(), stri_enc_isutf8()
Examples¶
stri_enc_isascii(letters[1:3])
## [1] TRUE TRUE TRUE
stri_enc_isascii('\u0105\u0104')
## [1] FALSE