export default class Tools {
  private static chineseReg: RegExp;
  public static IsChinese(s: string): boolean {
    if (!this.chineseReg) {
      this.chineseReg = new RegExp("^[\u4E00-\u9FFFF]+$");
    }
    if (!this.chineseReg.test(s)) {
      return false;
    } else return true;
  }
}