{"id":2212,"date":"2026-04-27T14:12:45","date_gmt":"2026-04-27T06:12:45","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2212"},"modified":"2026-04-27T14:12:46","modified_gmt":"2026-04-27T06:12:46","slug":"%e5%be%aa%e7%8e%af%e5%a4%84%e7%90%86%e5%a4%9a%e7%bb%84%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/27\/%e5%be%aa%e7%8e%af%e5%a4%84%e7%90%86%e5%a4%9a%e7%bb%84%e6%95%b0%e6%8d%ae\/preluna\/text\/","title":{"rendered":"\u5faa\u73af\u5904\u7406\u591a\u7ec4\u6570\u636e"},"content":{"rendered":"\n
\"\"<\/div><\/figure>\n\n\n\n

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

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

\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u5224\u65ad\u3001\u8f93\u5165\u8f93\u51fa\u3001\u5faa\u73af\u5904\u7406\u591a\u7ec4\u6570\u636e\u3002<\/p>\n\n\n\n

\u9898\u76ee\u7684\u6838\u5fc3\u4e0d\u662f\u8ba1\u7b97\uff0c\u800c\u662f\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u6ee1\u8db3\u67d0\u79cd\u683c\u5f0f\u3002\u53ea\u8981\u683c\u5f0f\u6ee1\u8db3\uff0c\u5c31\u8f93\u51fa YES<\/code>\uff1b\u5426\u5219\u8f93\u51fa NO<\/code>\u3002<\/p>\n\n\n\n

\n\n\n\n

2. \u5ba1\u9898\uff1a\u5148\u628a\u9898\u76ee\u6761\u4ef6\u7ffb\u8bd1\u6210\u4eba\u8bdd<\/h2>\n\n\n\n

\u9898\u76ee\u8bf4\uff1a<\/p>\n\n\n\n

\n

A valid mobile number is a ten digit number starting with a 7, 8 or 9.<\/p>\n<\/blockquote>\n\n\n\n

\u4e5f\u5c31\u662f\u4e00\u4e2a\u6709\u6548\u624b\u673a\u53f7\u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\u4e24\u4e2a\u6761\u4ef6\uff1a<\/p>\n\n\n\n

    \n
  1. \u4e00\u5171\u662f 10 \u4f4d\uff1b<\/li>\n\n\n\n
  2. \u7b2c\u4e00\u4f4d\u5fc5\u987b\u662f 7<\/code>\u30018<\/code> \u6216 9<\/code>\uff1b<\/li>\n\n\n\n
  3. \u540e\u9762 9 \u4f4d\u90fd\u5fc5\u987b\u662f\u6570\u5b57\u3002<\/li>\n<\/ol>\n\n\n\n

    \u6ce8\u610f\uff1a\u8f93\u5165\u7684\u6bcf\u4e00\u884c\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u4e0d\u4e00\u5b9a\u5168\u662f\u6570\u5b57\u3002<\/p>\n\n\n\n

    \u4f8b\u5982\uff1a<\/p>\n\n\n\n

    9587456281\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e00\u4f4d\u662f 9<\/code>\uff0c\u603b\u5171 10 \u4f4d\uff0c\u5168\u662f\u6570\u5b57\uff0c\u6240\u4ee5\u662f\u5408\u6cd5\u7684\u3002<\/p>\n\n\n\n
    \u518d\u770b\uff1a<\/p>\n\n\n\n
    1252478965\n<\/code><\/pre>\n\n\n\n
    \u867d\u7136\u662f 10 \u4f4d\u6570\u5b57\uff0c\u4f46\u7b2c\u4e00\u4f4d\u662f 1<\/code>\uff0c\u4e0d\u662f 7<\/code>\u30018<\/code>\u30019<\/code>\uff0c\u6240\u4ee5\u4e0d\u5408\u6cd5\u3002<\/p>\n\n\n\n
    \n\n\n\n
    3. \u601d\u8def\u63d0\u793a\uff1a\u5148\u4e0d\u8981\u6025\u7740\u5199\u6b63\u5219<\/h2>\n\n\n\n
    \u8fd9\u7c7b\u9898\u53ef\u4ee5\u5148\u628a\u5224\u65ad\u6761\u4ef6\u62c6\u5f00\uff1a<\/p>\n\n\n\n
    \u4e00\u4e2a\u5b57\u7b26\u4e32 s<\/code> \u8981\u5408\u6cd5\uff0c\u9700\u8981\u6ee1\u8db3\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\u4f4d\u662f 7\/8\/9 + \u540e\u9762\u8fd8\u6709 9 \u4e2a\u6570\u5b57 + \u6574\u4e2a\u5b57\u7b26\u4e32\u521a\u597d\u7ed3\u675f\n<\/code><\/pre>\n\n\n\n
    \u628a\u8fd9\u4e2a\u601d\u8def\u7ffb\u8bd1\u6210\u6b63\u5219\u8868\u8fbe\u5f0f\u5c31\u662f\uff1a<\/p>\n\n\n\n
    ^[789]\\d{9}$\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u4e2a\u6b63\u5219\u53ef\u4ee5\u62c6\u5f00\u7406\u89e3\uff1a<\/p>\n\n\n\n
    \u6b63\u5219\u90e8\u5206<\/th>\u542b\u4e49<\/th><\/tr><\/thead>
    ^<\/code><\/td>\u4ece\u5b57\u7b26\u4e32\u5f00\u5934\u5f00\u59cb\u5339\u914d<\/td><\/tr>
    [789]<\/code><\/td>\u7b2c\u4e00\u4f4d\u53ea\u80fd\u662f 7\u30018\u30019 \u4e2d\u7684\u4e00\u4e2a<\/td><\/tr>
    \\d<\/code><\/td>\u4e00\u4e2a\u6570\u5b57<\/td><\/tr>
    {9}<\/code><\/td>\u524d\u9762\u7684\u6570\u5b57\u91cd\u590d 9 \u6b21<\/td><\/tr>
    $<\/code><\/td>\u5230\u5b57\u7b26\u4e32\u7ed3\u5c3e\u4e3a\u6b62<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u6240\u4ee5\uff1a<\/p>\n\n\n\n
    ^[789]\\d{9}$\n<\/code><\/pre>\n\n\n\n
    \u6574\u4f53\u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n
    \u4ece\u5f00\u5934\u5f00\u59cb\uff0c\u7b2c\u4e00\u4f4d\u662f 7<\/code>\u30018<\/code> \u6216 9<\/code>\uff0c\u540e\u9762\u6b63\u597d\u6709 9 \u4e2a\u6570\u5b57\uff0c\u7136\u540e\u5b57\u7b26\u4e32\u7ed3\u675f\u3002<\/p>\n\n\n\n
    \n\n\n\n
    4. \u5b8c\u6574\u8bbe\u8ba1\u601d\u8def<\/h2>\n\n\n\n
    \u8fd9\u9053\u9898\u53ef\u4ee5\u5206\u6210 3 \u6b65\u3002<\/p>\n\n\n\n
    \u7b2c\u4e00\u6b65\uff0c\u8bfb\u5165\u6574\u6570 N<\/code>\uff0c\u8868\u793a\u540e\u9762\u6709\u591a\u5c11\u4e2a\u5b57\u7b26\u4e32\u8981\u5224\u65ad\u3002<\/p>\n\n\n\n
    \u7b2c\u4e8c\u6b65\uff0c\u5faa\u73af N<\/code> \u6b21\uff0c\u6bcf\u6b21\u8bfb\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32 number<\/code>\u3002<\/p>\n\n\n\n
    \u7b2c\u4e09\u6b65\uff0c\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5224\u65ad\u8fd9\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u7b26\u5408\u89c4\u5219\u3002\u5982\u679c\u7b26\u5408\uff0c\u8f93\u51fa YES<\/code>\uff1b\u5426\u5219\u8f93\u51fa NO<\/code>\u3002<\/p>\n\n\n\n
    \u8fd9\u91cc\u8981\u7279\u522b\u6ce8\u610f\uff1a\u5fc5\u987b\u5224\u65ad\u6574\u4e2a\u5b57\u7b26\u4e32\uff0c\u800c\u4e0d\u662f\u53ea\u5224\u65ad\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n
    \u6bd4\u5982\uff1a<\/p>\n\n\n\n
    9587456281abc\n<\/code><\/pre>\n\n\n\n
    \u5982\u679c\u53ea\u770b\u524d 10 \u4f4d\uff0c\u5b83\u597d\u50cf\u662f\u5408\u6cd5\u7684\uff1b\u4f46\u6574\u4e2a\u5b57\u7b26\u4e32\u5305\u542b\u5b57\u6bcd\uff0c\u6240\u4ee5\u5e94\u8be5\u8f93\u51fa NO<\/code>\u3002<\/p>\n\n\n\n
    \u56e0\u6b64\u6b63\u5219\u91cc\u9762\u5fc5\u987b\u4f7f\u7528\uff1a<\/p>\n\n\n\n
    ^\n$\n<\/code><\/pre>\n\n\n\n
    \u5b83\u4eec\u7684\u4f5c\u7528\u662f\u9650\u5236\u201c\u4ece\u5934\u5230\u5c3e\u5b8c\u6574\u5339\u914d\u201d\u3002<\/p>\n\n\n\n
    \n\n\n\n
    5. \u4ee3\u7801\u5b9e\u73b0<\/h2>\n\n\n\n
    import re\n\nn = int(input())\n\npattern = r'^[789]\\d{9}$'\n\nfor _ in range(n):\n    number = input().strip()\n\n    if re.match(pattern, number):\n        print(\"YES\")\n    else:\n        print(\"NO\")\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u7684\uff1a<\/p>\n\n\n\n
    import re\n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\u5bfc\u5165 Python \u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5757\u3002<\/p>\n\n\n\n
    pattern = r'^[789]\\d{9}$'\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u7684 r''<\/code> \u8868\u793a\u539f\u59cb\u5b57\u7b26\u4e32\uff0c\u5199\u6b63\u5219\u8868\u8fbe\u5f0f\u65f6\u901a\u5e38\u5efa\u8bae\u8fd9\u6837\u5199\uff0c\u907f\u514d\u53cd\u659c\u6760 \\<\/code> \u88ab Python \u63d0\u524d\u5904\u7406\u3002<\/p>\n\n\n\n
    \n\n\n\n
    6. \u8fd0\u884c\u6f14\u793a<\/h2>\n\n\n\n
    \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
    2\n9587456281\n1252478965\n<\/code><\/pre>\n\n\n\n
    \u7a0b\u5e8f\u5148\u8bfb\u5165\uff1a<\/p>\n\n\n\n
    n = 2\n<\/code><\/pre>\n\n\n\n
    \u8bf4\u660e\u540e\u9762\u6709 2 \u4e2a\u5b57\u7b26\u4e32\u8981\u5224\u65ad\u3002<\/p>\n\n\n\n
    \u7b2c\u4e00\u6b21\u5faa\u73af\uff1a<\/p>\n\n\n\n
    number = \"9587456281\"\n<\/code><\/pre>\n\n\n\n
    \u5224\u65ad\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\u4f4d\u662f 9\uff0c\u7b26\u5408\n\u540e\u9762 9 \u4f4d\u90fd\u662f\u6570\u5b57\uff0c\u7b26\u5408\n\u603b\u957f\u5ea6\u521a\u597d 10 \u4f4d\uff0c\u7b26\u5408\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    YES\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e8c\u6b21\u5faa\u73af\uff1a<\/p>\n\n\n\n
    number = \"1252478965\"\n<\/code><\/pre>\n\n\n\n
    \u5224\u65ad\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\u4f4d\u662f 1\uff0c\u4e0d\u662f 7\u30018\u30019\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    NO\n<\/code><\/pre>\n\n\n\n
    \u6700\u7ec8\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    YES\nNO\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    7. \u4e5f\u53ef\u4ee5\u4e0d\u7528\u6b63\u5219\uff0c\u4f46\u8fd9\u9898\u5efa\u8bae\u7528\u6b63\u5219<\/h2>\n\n\n\n
    \u5982\u679c\u4e0d\u7528\u6b63\u5219\uff0c\u4e5f\u53ef\u4ee5\u8fd9\u6837\u5224\u65ad\uff1a<\/p>\n\n\n\n
    n = int(input())\n\nfor _ in range(n):\n    number = input().strip()\n\n    if len(number) == 10 and number[0] in \"789\" and number.isdigit():\n        print(\"YES\")\n    else:\n        print(\"NO\")\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u4e2a\u5199\u6cd5\u66f4\u63a5\u8fd1\u666e\u901a\u903b\u8f91\u5224\u65ad\u3002<\/p>\n\n\n\n
    \u4e0d\u8fc7\u9898\u76ee\u672c\u8eab\u662f\u5728\u7ec3\u4e60 Regular Expressions\uff0c\u6240\u4ee5\u66f4\u63a8\u8350\u638c\u63e1\u8fd9\u4e00\u53e5\uff1a<\/p>\n\n\n\n
    ^[789]\\d{9}$\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    8. \u65b9\u6cd5\u603b\u7ed3\uff1a\u8fd9\u7c7b\u6b63\u5219\u9898\u600e\u4e48\u4e0b\u624b<\/h2>\n\n\n\n
    \u9047\u5230\u8fd9\u79cd\u201c\u5224\u65ad\u683c\u5f0f\u662f\u5426\u5408\u6cd5\u201d\u7684\u9898\uff0c\u4e0d\u8981\u4e00\u5f00\u59cb\u5c31\u80cc\u6b63\u5219\u3002\u5148\u628a\u6761\u4ef6\u62c6\u6210\u4eba\u8bdd\uff1a<\/p>\n\n\n\n
    \u5f00\u5934\u662f\u4ec0\u4e48\uff1f\n\u4e2d\u95f4\u662f\u4ec0\u4e48\uff1f\n\u957f\u5ea6\u662f\u591a\u5c11\uff1f\n\u7ed3\u5c3e\u6709\u6ca1\u6709\u9650\u5236\uff1f\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e\u518d\u7ffb\u8bd1\u6210\u6b63\u5219\uff1a<\/p>\n\n\n\n
    \u5f00\u5934\u9650\u5236 \u2192 ^\n\u67d0\u51e0\u4e2a\u5b57\u7b26\u4e4b\u4e00 \u2192 []\n\u6570\u5b57 \u2192 \\d\n\u91cd\u590d\u6b21\u6570 \u2192 {\u6b21\u6570}\n\u7ed3\u5c3e\u9650\u5236 \u2192 $\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u9053\u9898\u7684\u6838\u5fc3\u6a21\u677f\u5c31\u662f\uff1a<\/p>\n\n\n\n
    r'^[789]\\d{9}$'\n<\/code><\/pre>\n\n\n\n
    \u4ee5\u540e\u9047\u5230\u7c7b\u4f3c\u9898\uff0c\u53ef\u4ee5\u6309\u8fd9\u4e2a\u987a\u5e8f\u60f3\uff1a<\/p>\n\n\n\n
    \u5148\u786e\u5b9a\u7b2c\u4e00\u4f4d\n\u518d\u786e\u5b9a\u540e\u9762\u51e0\u4f4d\n\u6700\u540e\u7528 ^ \u548c $ \u9650\u5236\u6574\u4e2a\u5b57\u7b26\u4e32\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    9. \u5c0f\u7ec3\u4e60<\/h2>\n\n\n\n
    \u8bf7\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u662f\u5408\u6cd5\u7684 6 \u4f4d\u9a8c\u8bc1\u7801\u3002<\/p>\n\n\n\n
    \u8981\u6c42\uff1a<\/p>\n\n\n\n
      \n
    1. \u5fc5\u987b\u6b63\u597d\u662f 6 \u4f4d\uff1b<\/li>\n\n\n\n
    2. \u6bcf\u4e00\u4f4d\u90fd\u5fc5\u987b\u662f\u6570\u5b57\uff1b<\/li>\n\n\n\n
    3. \u4e0d\u80fd\u5305\u542b\u5b57\u6bcd\u3001\u7a7a\u683c\u6216\u7b26\u53f7\u3002<\/li>\n<\/ol>\n\n\n\n
      \u793a\u4f8b\uff1a<\/p>\n\n\n\n
      123456\n<\/code><\/pre>\n\n\n\n
      \u8f93\u51fa\uff1a<\/p>\n\n\n\n
      YES\n<\/code><\/pre>\n\n\n\n
      \u793a\u4f8b\uff1a<\/p>\n\n\n\n
      12345a\n<\/code><\/pre>\n\n\n\n
      \u8f93\u51fa\uff1a<\/p>\n\n\n\n
      NO\n<\/code><\/pre>\n\n\n\n
      \u63d0\u793a\uff1a\u53ef\u4ee5\u601d\u8003\u8fd9\u4e2a\u6b63\u5219\uff1a<\/p>\n\n\n\n
      ^\\d{6}$\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
      1. \u9898\u76ee\u8003\u70b9 \u8fd9\u9053\u9898\u4e3b\u8981\u8003\uff1a \u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u5224\u65ad\u3001\u8f93\u5165\u8f93\u51fa\u3001\u5faa\u73af\u5904\u7406\u591a\u7ec4\u6570\u636e\u3002 \u9898\u76ee\u7684\u6838\u5fc3\u4e0d\u662f\u8ba1\u7b97\uff0c\u800c\u662f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2212","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=2212"}],"version-history":[{"count":1,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2212\/revisions"}],"predecessor-version":[{"id":2214,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2212\/revisions\/2214"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2212"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}