R: Check if a character vector consists of entirely ASCII...

is_ascii {xfun} | R Documentation

## Check if a character vector consists of entirely ASCII characters

### Description

Converts the encoding of a character vector to `'ascii'`, and check if the result is `NA`.

### Usage

    is_ascii(x)

### Arguments

`x` | A character vector.

### Value

A logical vector indicating whether each element of the character vector is ASCII.

### Examples

    library(xfun)
    is_ascii(letters)  # yes
    is_ascii(intToUtf8(8212))  # no

[Package xfun version 0.29 Index]