Function isIdeograph

packages/editor/src/utils/text.ts:63–64

(char: string)

const isSpace = (char: string) => /\s/.test(char)
// http://www.unicode.org/charts/
const isIdeograph = (char: string) =>
  /[\u3040-\u30ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff\uff66-\uff9f\u3131-\uD79D]/.test(char)
// http://www.unicode.org/charts/
// https://zh.wikipedia.org/zh-cn/Unicode%E5%AD%97%E7%AC%A6%E5%88%97%E8%A1%A8
const isSpecialCharacters = (char: string) =>