stri_enc_toascii: Convert To ASCII
This function converts input strings to ASCII, i.e., to character strings consisting of bytes not greater than 127.
a character vector to be converted
All code points greater than 127 are replaced with the ASCII SUBSTITUTE CHARACTER (0x1A). R encoding declarations are always used to determine which encoding is assumed for each input, see
stri_enc_mark. If ill-formed byte sequences are found in UTF-8 byte streams, a warning is generated.
bytes-marked string is assumed to be in an 8-bit encoding extending the ASCII map (a common assumption in R itself).
Note that the SUBSTITUTE CHARACTER (
\x1a == \032) may be interpreted as the ASCII missing value for single characters.
Returns a character vector.
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