PrintableASCIIQ

PrintableASCIIQ[string] yields True if the string contains only printable ASCII characters, and yields False otherwise.

Printable ASCII characters are those with codes 32-126 (space through tilde).

Examples

PrintableASCIIQ["Hello, World!"]

PrintableASCIIQ["Hello\nWorld"]

PrintableASCIIQ["café"]

*See the official Wolfram Language Reference for more details.