--- | Split an address into local/domain parts.
-parts :: Address -> (BSU.ByteString, BSU.ByteString)
-parts address = bytestring_split address '@'
-
--- | Check that the lengths of the local/domain parts are within spec.
-validate_length :: Address -> Bool
-validate_length address =
- (BSU.length localpart <= 64) && (BSU.length domain <= 255)
- where
- (localpart, domain) = parts address
-
--- | Validate an email address against a simple regex. This should
--- catch common addresses but disallows a lot of (legal) weird stuff.
-validate_regex :: Address -> Bool
-validate_regex address =
- case matches of
- Nothing -> False
- _ -> True
- where
- regex_str = "(\\w+)([\\w\\-\\.]*)@(([0-9a-zA-Z\\-]+\\.)+)[a-zA-Z]{2,4}"
- regex_bs = BSU.fromString regex_str
- regex = compile regex_bs [utf8]
- matches = match regex address []