Escapes all Unicode (not ASCII-printable) code points.
Usage
stri_escape_unicode(str)
Arguments
str
character vector
Value
Returns a character vector.
Details
For non-printable and certain special (well-known,
see also R man page Quotes)
ASCII characters the following
(also recognized in R) convention is used.
We get \a, \b, \t, \n, \v,
\f, \r, \", \', \\
or either \uXXXX (4 hex digits) or \UXXXXXXXX (8 hex digits)
otherwise. As usual, any input string is converted to Unicode
before executing the escape process.