notes/node_modules/stylelint-scss/src/rules/at-function-pattern/README.md

at-function-pattern

Specify a pattern for Sass/SCSS-like function names.

@function grid-width($n) {
/**       ↑
 * The pattern of this */

Options

regex or string

A string will be translated into a RegExp like so new RegExp(yourString) — so be sure to escape properly.

E.g. /foo-.+/

The following patterns are considered warnings:

@function boo-bar ($n) {

The following patterns are not considered warnings:

@function foo-bar ($n){