{"id":2215,"date":"2026-04-27T14:51:08","date_gmt":"2026-04-27T06:51:08","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2215"},"modified":"2026-04-27T14:51:09","modified_gmt":"2026-04-27T06:51:09","slug":"email-utils-parseaddr-%e8%a7%a3%e6%9e%90%e5%a7%93%e5%90%8d%e5%92%8c%e9%82%ae%e7%ae%b1%e5%9c%b0%e5%9d%80","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/27\/email-utils-parseaddr-%e8%a7%a3%e6%9e%90%e5%a7%93%e5%90%8d%e5%92%8c%e9%82%ae%e7%ae%b1%e5%9c%b0%e5%9d%80\/preluna\/text\/","title":{"rendered":"email.utils.parseaddr() \u89e3\u6790\u59d3\u540d\u548c\u90ae\u7bb1\u5730\u5740"},"content":{"rendered":"\n
\"\"<\/div><\/figure>\n\n\n\n

\u9898\u76ee\u8003\u70b9<\/h2>\n\n\n\n

\u8fd9\u9053\u9898\u4e3b\u8981\u8003\uff1a<\/p>\n\n\n\n

    \n
  1. email.utils.parseaddr()<\/code> \u89e3\u6790\u59d3\u540d\u548c\u90ae\u7bb1\u5730\u5740<\/li>\n\n\n\n
  2. \u6b63\u5219\u8868\u8fbe\u5f0f re<\/code> \u5224\u65ad\u5b57\u7b26\u4e32\u683c\u5f0f<\/li>\n\n\n\n
  3. \u5faa\u73af\u8bfb\u53d6\u591a\u884c\u8f93\u5165<\/li>\n\n\n\n
  4. \u6309\u6761\u4ef6\u7b5b\u9009\u5e76\u8f93\u51fa\u539f\u683c\u5f0f\u6570\u636e<\/li>\n<\/ol>\n\n\n\n

    \u8fd9\u9053\u9898\u4e0d\u662f\u8ba9\u4f60\u624b\u52a8\u5207\u5b57\u7b26\u4e32\uff0c\u800c\u662f\u5e0c\u671b\u4f60\u7528 email.utils<\/code> \u628a\uff1a<\/p>\n\n\n\n

    DEXTER <dexter@hotmail.com>\n<\/code><\/pre>\n\n\n\n
    \u89e3\u6790\u6210\uff1a<\/p>\n\n\n\n
    ('DEXTER', 'dexter@hotmail.com')\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e\u53ea\u68c0\u67e5\u540e\u9762\u7684\u90ae\u7bb1\u5730\u5740\u662f\u5426\u5408\u6cd5\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u5ba1\u9898<\/h2>\n\n\n\n
    \u9898\u76ee\u7ed9\u4f60 n<\/code> \u884c\uff0c\u6bcf\u4e00\u884c\u683c\u5f0f\u5927\u81f4\u662f\uff1a<\/p>\n\n\n\n
    name <username@domain.extension>\n<\/code><\/pre>\n\n\n\n
    \u8981\u6c42\u4f60\u53ea\u6253\u5370\u90ae\u7bb1\u5408\u6cd5\u7684\u90a3\u51e0\u884c\uff0c\u5e76\u4e14\u8f93\u51fa\u987a\u5e8f\u8981\u548c\u8f93\u5165\u987a\u5e8f\u4e00\u81f4\u3002<\/p>\n\n\n\n
    \u5408\u6cd5\u90ae\u7bb1\u8981\u6ee1\u8db3\uff1a<\/p>\n\n\n\n
    username@domain.extension\n<\/code><\/pre>\n\n\n\n
    \u5176\u4e2d\uff1a<\/p>\n\n\n\n
    \u90e8\u5206<\/th>\u8981\u6c42<\/th><\/tr><\/thead>
    username<\/td>\u7b2c\u4e00\u4e2a\u5b57\u7b26\u5fc5\u987b\u662f\u82f1\u6587\u5b57\u6bcd<\/td><\/tr>
    username \u540e\u7eed\u5b57\u7b26<\/td>\u53ef\u4ee5\u662f\u5b57\u6bcd\u3001\u6570\u5b57\u3001_<\/code>\u3001-<\/code>\u3001.<\/code><\/td><\/tr>
    domain<\/td>\u53ea\u80fd\u662f\u82f1\u6587\u5b57\u6bcd<\/td><\/tr>
    extension<\/td>\u53ea\u80fd\u662f\u82f1\u6587\u5b57\u6bcd\uff0c\u957f\u5ea6\u4e3a 1 \u5230 3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u6837\u4f8b\u4e2d\uff1a<\/p>\n\n\n\n
    DEXTER <dexter@hotmail.com>\n<\/code><\/pre>\n\n\n\n
    \u662f\u5408\u6cd5\u7684\u3002<\/p>\n\n\n\n
    \u800c\uff1a<\/p>\n\n\n\n
    VIRUS <virus!@variable.:p>\n<\/code><\/pre>\n\n\n\n
    \u4e0d\u5408\u6cd5\uff0c\u56e0\u4e3a virus!<\/code> \u91cc\u9762\u6709 !<\/code>\uff0c\u5e76\u4e14\u6269\u5c55\u540d :p<\/code> \u4e5f\u4e0d\u7b26\u5408\u8981\u6c42\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u601d\u8def\u63d0\u793a<\/h2>\n\n\n\n
    \u5148\u4e0d\u8981\u6025\u7740\u5199\u6b63\u5219\u3002\u4f60\u53ef\u4ee5\u6309\u4e0b\u9762\u4e09\u6b65\u60f3\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\u6b65\uff0c\u5148\u7528 email.utils.parseaddr()<\/code> \u628a\u4e00\u6574\u884c\u62c6\u5f00\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    DEXTER <dexter@hotmail.com>\n<\/code><\/pre>\n\n\n\n
    \u53ef\u4ee5\u62c6\u6210\uff1a<\/p>\n\n\n\n
    name = \"DEXTER\"\naddress = \"dexter@hotmail.com\"\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e8c\u6b65\uff0c\u53ea\u5224\u65ad address<\/code> \u8fd9\u4e00\u90e8\u5206\u662f\u5426\u5408\u6cd5\u3002<\/p>\n\n\n\n
    \u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u8981\u5224\u65ad\uff1a<\/p>\n\n\n\n
    dexter@hotmail.com\n<\/code><\/pre>\n\n\n\n
    \u662f\u4e0d\u662f\u6ee1\u8db3\uff1a<\/p>\n\n\n\n
    \u7528\u6237\u540d@\u57df\u540d.\u6269\u5c55\u540d\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e09\u6b65\uff0c\u5982\u679c\u5408\u6cd5\uff0c\u5c31\u7528 email.utils.formataddr()<\/code> \u518d\u62fc\u56de\u6807\u51c6\u683c\u5f0f\u5e76\u8f93\u51fa\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u5b8c\u6574\u8bbe\u8ba1\u601d\u8def<\/h2>\n\n\n\n
    \u7b2c\u4e00\u6b65\uff1a\u8bfb\u53d6\u8f93\u5165\u884c\u6570<\/h3>\n\n\n\n
    \u9898\u76ee\u7b2c\u4e00\u884c\u662f\u6574\u6570 n<\/code>\uff0c\u8868\u793a\u540e\u9762\u6709\u591a\u5c11\u7ec4\u59d3\u540d\u548c\u90ae\u7bb1\u3002<\/p>\n\n\n\n
    n = int(input())\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e8c\u6b65\uff1a\u9010\u884c\u8bfb\u53d6\u59d3\u540d\u548c\u90ae\u7bb1<\/h3>\n\n\n\n
    \u7528\u5faa\u73af\u8bfb\u53d6 n<\/code> \u884c\uff1a<\/p>\n\n\n\n
    for _ in range(n):\n    line = input()\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc _<\/code> \u8868\u793a\u8fd9\u4e2a\u5faa\u73af\u53d8\u91cf\u672c\u8eab\u4e0d\u91cd\u8981\uff0c\u53ea\u662f\u91cd\u590d\u6267\u884c n<\/code> \u6b21\u3002<\/p>\n\n\n\n
    \u7b2c\u4e09\u6b65\uff1a\u89e3\u6790\u59d3\u540d\u548c\u90ae\u7bb1<\/h3>\n\n\n\n
    \u7528\uff1a<\/p>\n\n\n\n
    name, address = email.utils.parseaddr(line)\n<\/code><\/pre>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    DEXTER <dexter@hotmail.com>\n<\/code><\/pre>\n\n\n\n
    \u4f1a\u5f97\u5230\uff1a<\/p>\n\n\n\n
    name = \"DEXTER\"\naddress = \"dexter@hotmail.com\"\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u56db\u6b65\uff1a\u7528\u6b63\u5219\u5224\u65ad\u90ae\u7bb1\u5730\u5740<\/h3>\n\n\n\n
    \u6838\u5fc3\u6b63\u5219\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n\n\n\n
    r'[A-Za-z][A-Za-z0-9_.-]*@[A-Za-z]+\\.[A-Za-z]{1,3}'\n<\/code><\/pre>\n\n\n\n
    \u62c6\u5f00\u770b\uff1a<\/p>\n\n\n\n
    \u6b63\u5219\u7247\u6bb5<\/th>\u542b\u4e49<\/th><\/tr><\/thead>
    [A-Za-z]<\/code><\/td>\u7528\u6237\u540d\u7b2c\u4e00\u4e2a\u5b57\u7b26\u5fc5\u987b\u662f\u82f1\u6587\u5b57\u6bcd<\/td><\/tr>
    [A-Za-z0-9_.-]*<\/code><\/td>\u540e\u7eed\u5b57\u7b26\u53ef\u4ee5\u662f\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u4e0b\u5212\u7ebf\u3001\u70b9\u3001\u6a2a\u7ebf\uff0c\u51fa\u73b0 0 \u6b21\u6216\u591a\u6b21<\/td><\/tr>
    @<\/code><\/td>\u5fc5\u987b\u6709\u4e00\u4e2a @<\/code><\/td><\/tr>
    [A-Za-z]+<\/code><\/td>\u57df\u540d\u53ea\u80fd\u7531\u82f1\u6587\u5b57\u6bcd\u7ec4\u6210\uff0c\u81f3\u5c11 1 \u4e2a<\/td><\/tr>
    \\.<\/code><\/td>\u5fc5\u987b\u6709\u4e00\u4e2a\u771f\u6b63\u7684\u70b9\u53f7 .<\/code><\/td><\/tr>
    [A-Za-z]{1,3}<\/code><\/td>\u6269\u5c55\u540d\u53ea\u80fd\u662f\u82f1\u6587\u5b57\u6bcd\uff0c\u957f\u5ea6 1 \u5230 3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u6ce8\u610f\u8fd9\u91cc\u7684\uff1a<\/p>\n\n\n\n
    \\. \n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\u771f\u6b63\u7684\u70b9\u53f7\u3002<\/p>\n\n\n\n
    \u5982\u679c\u76f4\u63a5\u5199\uff1a<\/p>\n\n\n\n
    .\n<\/code><\/pre>\n\n\n\n
    \u5728\u6b63\u5219\u91cc\u5b83\u8868\u793a\u201c\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26\u201d\uff0c\u4e0d\u662f\u666e\u901a\u70b9\u53f7\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u4ee3\u7801\u5b9e\u73b0<\/h2>\n\n\n\n
    import re\nimport email.utils\n\nn = int(input())\n\npattern = r'[A-Za-z][A-Za-z0-9_.-]*@[A-Za-z]+\\.[A-Za-z]{1,3}'\n\nfor _ in range(n):\n    line = input()\n\n    name, address = email.utils.parseaddr(line)\n\n    if re.fullmatch(pattern, address):\n        print(email.utils.formataddr((name, address)))\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u63a8\u8350\u7528\uff1a<\/p>\n\n\n\n
    re.fullmatch(pattern, address)\n<\/code><\/pre>\n\n\n\n
    \u5b83\u8868\u793a\u6574\u4e2a address<\/code> \u5fc5\u987b\u5b8c\u6574\u5339\u914d\u8fd9\u4e2a\u6b63\u5219\u89c4\u5219\u3002<\/p>\n\n\n\n
    \u5982\u679c\u53ea\u7528 re.match()<\/code>\uff0c\u5b83\u9ed8\u8ba4\u662f\u4ece\u5f00\u5934\u5f00\u59cb\u5339\u914d\uff0c\u4f46\u4e0d\u4e00\u5b9a\u8981\u6c42\u6574\u4e2a\u5b57\u7b26\u4e32\u90fd\u5339\u914d\u5b8c\u3002\u521d\u5b66\u9636\u6bb5\u7528 fullmatch()<\/code> \u66f4\u76f4\u89c2\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u8fd0\u884c\u6f14\u793a<\/h2>\n\n\n\n
    \u8f93\u5165\uff1a<\/p>\n\n\n\n
    2\nDEXTER <dexter@hotmail.com>\nVIRUS <virus!@variable.:p>\n<\/code><\/pre>\n\n\n\n
    \u7a0b\u5e8f\u5148\u8bfb\u5230\uff1a<\/p>\n\n\n\n
    n = 2\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e00\u884c\uff1a<\/p>\n\n\n\n
    DEXTER <dexter@hotmail.com>\n<\/code><\/pre>\n\n\n\n
    \u7ecf\u8fc7\uff1a<\/p>\n\n\n\n
    email.utils.parseaddr(line)\n<\/code><\/pre>\n\n\n\n
    \u5f97\u5230\uff1a<\/p>\n\n\n\n
    name = \"DEXTER\"\naddress = \"dexter@hotmail.com\"\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e\u5224\u65ad\uff1a<\/p>\n\n\n\n
    dexter@hotmail.com\n<\/code><\/pre>\n\n\n\n
    \u62c6\u5f00\u770b\uff1a<\/p>\n\n\n\n
    dexter   -> \u7528\u6237\u540d\uff0cd \u5f00\u5934\u662f\u5b57\u6bcd\uff0c\u540e\u9762\u90fd\u662f\u5408\u6cd5\u5b57\u7b26\nhotmail  -> \u57df\u540d\uff0c\u5168\u662f\u5b57\u6bcd\ncom      -> \u6269\u5c55\u540d\uff0c\u5168\u662f\u5b57\u6bcd\uff0c\u957f\u5ea6\u662f 3\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u5408\u6cd5\uff0c\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    DEXTER <dexter@hotmail.com>\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e8c\u884c\uff1a<\/p>\n\n\n\n
    VIRUS <virus!@variable.:p>\n<\/code><\/pre>\n\n\n\n
    \u89e3\u6790\u540e\uff1a<\/p>\n\n\n\n
    name = \"VIRUS\"\naddress = \"virus!@variable.:p\"\n<\/code><\/pre>\n\n\n\n
    \u5224\u65ad\u90ae\u7bb1\uff1a<\/p>\n\n\n\n
    virus!   -> \u7528\u6237\u540d\u91cc\u9762\u6709 !\uff0c\u4e0d\u5408\u6cd5\n:p       -> \u6269\u5c55\u540d\u4e5f\u4e0d\u5408\u6cd5\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u8fd9\u4e00\u884c\u4e0d\u8f93\u51fa\u3002<\/p>\n\n\n\n
    \u6700\u7ec8\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    DEXTER <dexter@hotmail.com>\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u65b9\u6cd5\u603b\u7ed3<\/h2>\n\n\n\n
    \u8fd9\u7c7b\u9898\u7684\u6838\u5fc3\u4e0d\u662f\u4e00\u4e0a\u6765\u5199\u4ee3\u7801\uff0c\u800c\u662f\u5148\u62c6\u683c\u5f0f\u3002<\/p>\n\n\n\n
    \u4ee5\u540e\u9047\u5230\u201c\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5408\u6cd5\u201d\u7684\u9898\uff0c\u53ef\u4ee5\u6309\u8fd9\u4e2a\u987a\u5e8f\u601d\u8003\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\u6b65\uff0c\u5148\u660e\u786e\u5b57\u7b26\u4e32\u6574\u4f53\u683c\u5f0f\u3002
    \u6bd4\u5982\u8fd9\u9898\u662f\uff1a<\/p>\n\n\n\n
    username@domain.extension\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e8c\u6b65\uff0c\u628a\u683c\u5f0f\u62c6\u6210\u51e0\u6bb5\u3002
    \u6bd4\u5982\uff1a<\/p>\n\n\n\n
    username\n@\ndomain\n.\nextension\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e09\u6b65\uff0c\u5206\u522b\u7ed9\u6bcf\u4e00\u6bb5\u5199\u89c4\u5219\u3002
    \u6bd4\u5982\uff1a<\/p>\n\n\n\n
    username \u7b2c\u4e00\u4e2a\u5b57\u7b26\u5fc5\u987b\u662f\u5b57\u6bcd\ndomain \u53ea\u80fd\u662f\u5b57\u6bcd\nextension \u957f\u5ea6 1 \u5230 3\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u56db\u6b65\uff0c\u628a\u8fd9\u4e9b\u89c4\u5219\u62fc\u6210\u4e00\u4e2a\u5b8c\u6574\u6b63\u5219\u3002<\/p>\n\n\n\n
    \u8fd9\u9053\u9898\u7684\u5173\u952e\u6b63\u5219\u662f\uff1a<\/p>\n\n\n\n
    r'[A-Za-z][A-Za-z0-9_.-]*@[A-Za-z]+\\.[A-Za-z]{1,3}'\n<\/code><\/pre>\n\n\n\n
    \u4f60\u4e0d\u9700\u8981\u4e00\u53e3\u6c14\u80cc\u4e0b\u6765\uff0c\u800c\u662f\u8981\u5b66\u4f1a\u4ece\u9898\u76ee\u6761\u4ef6\u4e00\u6b65\u4e00\u6b65\u62fc\u51fa\u6765\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u7ec3\u4e60<\/h2>\n\n\n\n
    \u8bf7\u5224\u65ad\u4e0b\u9762\u54ea\u4e9b\u90ae\u7bb1\u5730\u5740\u5408\u6cd5\uff1a<\/p>\n\n\n\n
    ALEX <alex-99@gmail.com>\nBOB <1bob@yahoo.com>\nCAT <cat.name@abc.cn>\nDOG <dog@hello.python>\nEVA <eva_2024@school.edu>\n<\/code><\/pre>\n\n\n\n
    \u63d0\u793a\uff1a<\/p>\n\n\n\n
    \u91cd\u70b9\u68c0\u67e5\u4e09\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n
      \n
    1. \u7528\u6237\u540d\u7b2c\u4e00\u4e2a\u5b57\u7b26\u662f\u4e0d\u662f\u82f1\u6587\u5b57\u6bcd<\/li>\n\n\n\n
    2. domain<\/code> \u662f\u4e0d\u662f\u53ea\u5305\u542b\u82f1\u6587\u5b57\u6bcd<\/li>\n\n\n\n
    3. extension<\/code> \u957f\u5ea6\u662f\u4e0d\u662f 1 \u5230 3\uff0c\u5e76\u4e14\u53ea\u5305\u542b\u82f1\u6587\u5b57\u6bcd<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
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