def check_type(txt):
from core.observables import Hostname
try:
localpart, hostname = txt.split("@")
except Exception:
return False
return bool(
Hostname.check_type(hostname)
and re.match("^[a-zA-Z0-9!#%&'*+-/=?^_`{|}~]+$", localpart))
def is_valid(cls, match):
return Hostname.check_type(match.group('domain'))
