Specify a pattern for custom media query names.
@custom-media --foo (max-width: 30em);
/** ↑
* The pattern of this */
regex|string
A string will be translated into a RegExp like so new RegExp(yourString)
— so be sure to escape properly.
Given the string:
"foo-.+"
The following patterns are considered violations:
@custom-media --bar (min-width: 30em);
The following patterns are not considered violations:
@custom-media --foo-bar (min-width: 30em);