"^(((([a-zA-Z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])+(\.([a-zA-Z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\x00A0-\xD7FF\xF900-\xFDCF}\xFDF0}-\xFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])|(\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-zA-Z]|\d|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])|(([a-zA-Z]|\d|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])([a-zA-Z]|\d|-|\.|_|~|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])*([a-zA-Z]|\d|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])))\.)+(([a-zA-Z]|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])|(([a-zA-Z]|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])([a-zA-Z]|\d|-|_|~|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])*([a-zA-Z]|[\x00A0-\xD7FF\xF900-\xFDCF\xFDF0-\xFFEF])))\.?$"
python用這個,這是根據(jù)你那個go的改的,效果一樣。但其實(shí)驗(yàn)證郵箱的沒必要寫這么復(fù)雜