[[String.prototype.normalize]]を使う。 ```js export function normalizeAccentsDiacritics(text: string): string { return text.normalize("NFD").replace(/[\u0300-\u036f]/g, ""); } ``` ## 参考 - [Remove accents/diacritics in a string in JavaScript \- Stack Overflow](https://stackoverflow.com/questions/990904/remove-accents-diacritics-in-a-string-in-javascript)