#custom-property-pattern

Specify a pattern for custom properties.

a { --foo-: 1px; }
/**   ↑
 * The pattern of this */

#Options

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 warnings:

:root { --boo-bar: 0; }

The following patterns are not considered warnings:

:root { --foo-bar: 0; }