Check If a String Contains Multibyte UTF-8 characters

Source: R/deviceUtils.R

This function is used by tikzDevice to check if an incoming string contains multibyte UTF-8 characters

anyMultibyteUTF8Characters(string, encoding = "UTF-8")

Arguments

string

A character vector of length 1 (a string).
encoding

Unused.

Value

A boolean value

Details

This function searches through the characters in the given string, if any of the characters in the string are more than one byte then the function returns TRUE otherwise it returns FALSE.

The function will assume an input encoding of UTF-8 but will take any specified encoding into account and will convert from the specified encoding to UTF-8 before doing any checks

See also

tikz()

Examples


# TRUE
anyMultibyteUTF8Characters('R is GNU ©, but not ®')
#> [1] TRUE
# FALSE
anyMultibyteUTF8Characters('R is GNU copyright but not restricted')
#> [1] FALSE