export function normalizeAumlauts(terms: string[]): string[] { const additionalTerms: string[] = [] terms.forEach((token) => { if (!token) return const replaced = token .replace(/å/g, "a") .replace(/ä/g, "a") .replace(/ö/g, "o") .replace(/ø/g, "o") .replace(/æ/g, "a") .replace(/é/g, "e") .replace(/ü/g, "u") if (replaced !== token) { additionalTerms.push(replaced) } }) return [...new Set([...additionalTerms, ...terms])] }