text: // https://github.com/epoberezkin/ajv/blob/72a3bd0c2a4e780d110584e21c71ef5df97f06e0/lib/compile/formats.js
  // export const EMAIL_REGEX = /^[a-z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i
  // export const HOSTNAME_REGEX = /^[0-9a-z](?:(?:[-0-9a-z]{0,61})?[0-9a-z])?(\.[0-9a-z](?:(?:[-0-9a-z]{0,61})?[0-9a-z])?)*$/i
  