How to make a selection from certain characters, but taking into account except?

Question

Regular Expressions

There are two conditions
you need to select from the text that matches [\x00-\x7F]
but at the same time select only from it [^a-z\d]
The task is to select all ASCII characters

Answer 1

[\x00-\x2F\x3A-\x40\x5B-\x60\x7B-\x7F]
[\x00-\x7F](?<![a-z\d])
(?![a-z\d])[\x00-\x7F]