stringi (version 0.2-5)

stri_enc_isascii: Check If a Data Stream Is Possibly in ASCII

Description

The function checks whether all bytes in a string are in the set {1,2,...,127}.

Usage

stri_enc_isascii(str)

Arguments

str

character vector, a raw vector, or a list of raw vectors

Value

• Returns a logical vector. Its i-th element indicates whether the i-th string corresponds to a valid ASCII byte sequence.

Details

This function is independent of the way Rmarks encodings in character strings (see Encoding and stringi-encoding).

See Also

Other encoding_detection: stri_enc_detect2; stri_enc_detect; stri_enc_isutf16be, stri_enc_isutf16le, stri_enc_isutf32be, stri_enc_isutf32le; stri_enc_isutf8; stringi-encoding

Examples

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

if (stri_install_check(silent=TRUE))
stri_enc_isascii("\u0105\u0104")