Detect the presence of non-printable or non-ascii characters
Detect the presence of non-printable or non-ascii characters
printable_ascii(x)
x |
a |
Printable ASCII characters consist of space, A-Z, a-z, 0-9 and the characters
! "" # $ % & ' ( ) * + , . / : ; < = > ? @ [ ] \ ^ _ ` { | } ~ -
Note that this excludes tab (as it is a control character).
A logical indicating which elements consist solely of printable ASCII characters.
# define o-umlaut
ouml <- intToUtf8("0x00F6")
x <- c("Motorhead", paste0("Mot",ouml,"rhead"))
# second element contains a non-ascii character
printable_ascii(x)
# Control characters (like carriage return) are also excluded
printable_ascii("abc\r")Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.