export const removeDiacritics = (str: string) => { // We normalize to the composed Unicode form, then we can remove the accents return str.normalize("NFD").replace(/[\u0300-\u036f]/g, ""); }; export const normalizedContains = (haystack: string, needle: string) => { const regExp = new RegExp(removeDiacritics(needle), "gi"); return regExp.test(removeDiacritics(haystack)); };