I would like to use this in a smart filter in addition to a few other restrictions.
Create a compound rule (hold down the Option key and press the [•••] button). Inside the All compound, add two Custom rules that check the lower and upper limit of the Unicode block:
In the filter rules, write Unicode values as decimal numbers (e.g.
z) prefix a number with
0x to write the Unicode value with hexadecimal digits (e.g.
Thanks, that worked perfectly.