/// Description: 字符串函数
/// Time       : 07/06/2023 Thursday
/// Author     : liuyuqi.gov@msn.cn
class StrUtil {
  /// is email
  bool isEmail(String email) {
    return RegExp(r"^[a-zA-Z0-9.]+@[a-zA-Z0-9]+\.[a-zA-Z]+").hasMatch(email);
  }
}