Can there be an apostrophe in an email address? [duplicate]
问题 This question already has answers here : Closed 9 years ago . Possible Duplicate: What characters are allowed in email address? I have an email address with an apostrophe in it and am wondering if that is valid? 回答1: Yes, according to RFC 3696 apostrophes are valid as long as they come before the @ symbol. 来源: https://stackoverflow.com/questions/8527180/can-there-be-an-apostrophe-in-an-email-address