Ascii used in a sentence

Ascii in a sentence as a noun

There were quite a few graphic kimble-related ascii-banners on some post-login screens.

This will not only miss non-ascii printing characters, but it's not even much shorter than typing [[:print:]] to use the explicit character class.

Logging to ascii means that the standard unix tools work out of the box with your log files. Especially if you use something like a tab delimiter, then you typically don't need to specify the delimiter.

I wonder what kind of security vulnerabilities could be looming in validators not expecting non-ascii 0-9 digits and using this regex?