Python Django How to deal with cases where Japanese carrier emails are played by Email Validator

# coding: utf-8
import re
from django.core.validators import EmailValidator


class JapaneseEmailValidator(EmailValidator):
    user_regex = re.compile(
        r"(^[-.!#$%&'*+/=?^_`{}|~0-9A-Z]+$"  # dot-atom (\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*Omitted
        r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"$)',  # quoted-string
        re.IGNORECASE)

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