/** English stable key for website special group lookups (e.g. top-selling). */
export const SPECIAL_GROUP_KEY_PATTERN = /^[a-zA-Z][a-zA-Z0-9_-]*$/;

export const SPECIAL_GROUP_KEY_MESSAGE =
  'key must be English letters, numbers, hyphens, or underscores';

export function normalizeSpecialGroupKey(raw: string): string {
  return raw.trim();
}