{"id":2497,"date":"2025-03-09T09:39:08","date_gmt":"2025-03-09T01:39:08","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2497"},"modified":"2025-03-09T13:01:04","modified_gmt":"2025-03-09T05:01:04","slug":"mongodb-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%ef%bc%88regex%ef%bc%89%e6%9f%a5%e8%af%a2%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/09\/mongodb-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%ef%bc%88regex%ef%bc%89%e6%9f%a5%e8%af%a2%e8%af%a6%e8%a7%a3\/","title":{"rendered":"MongoDB \u6b63\u5219\u8868\u8fbe\u5f0f\uff08Regex\uff09\u67e5\u8be2\u8be6\u89e3"},"content":{"rendered":"\n

1. \u4ec0\u4e48\u662f MongoDB \u6b63\u5219\u8868\u8fbe\u5f0f\uff1f<\/strong><\/h2>\n\n\n\n

\u5728 MongoDB \u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regex\uff09\u7528\u4e8e\u5bf9\u6587\u6863\u4e2d\u7684\u5b57\u7b26\u4e32\u5b57\u6bb5\u6267\u884c\u6a21\u5f0f\u5339\u914d\u67e5\u8be2\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u5bf9\u5b57\u7b26\u4e32\u5185\u5bb9\u8fdb\u884c\u7075\u6d3b\u5339\u914d\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5141\u8bb8\u901a\u8fc7\u4e00\u5b9a\u7684\u89c4\u5219\u67e5\u8be2\u6570\u636e\u3002<\/p>\n\n\n\n

MongoDB \u4f7f\u7528 JavaScript \u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5f15\u64ce\uff0c\u56e0\u6b64\u652f\u6301 JavaScript \u7684\u5927\u90e8\u5206\u6b63\u5219\u8868\u8fbe\u5f0f\u8bed\u6cd5\u3002<\/p>\n\n\n\n

\n\n\n\n

2. \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u67e5\u8be2<\/strong><\/h2>\n\n\n\n

MongoDB \u63d0\u4f9b\u4e86 $regex<\/code> \u8fd0\u7b97\u7b26\u6765\u6267\u884c\u6b63\u5219\u8868\u8fbe\u5f0f\u67e5\u8be2\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5b57\u6bb5\u4e2d\u7684\u6587\u672c\u3002<\/p>\n\n\n\n

(1) \u57fa\u672c\u8bed\u6cd5<\/strong><\/h3>\n\n\n\n
db.collection.find({ field: { $regex: \/pattern\/ } })<\/code><\/pre>\n\n\n\n
    \n
  • pattern<\/code> \u662f\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u6216\u6b63\u5219\u5bf9\u8c61\u3002<\/li>\n\n\n\n
  • field<\/code> \u662f\u8981\u8fdb\u884c\u5339\u914d\u7684\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n\n\n\n
    \u793a\u4f8b\uff1a<\/strong><\/h3>\n\n\n\n
    \u67e5\u8be2\u6240\u6709 name<\/code> \u5b57\u6bb5\u5305\u542b “Mongo” \u7684\u6587\u6863\uff1a<\/p>\n\n\n\n
    db.users.find({ name: { $regex: \/Mongo\/ } })<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. \u6b63\u5219\u8868\u8fbe\u5f0f\u9009\u9879<\/strong><\/h2>\n\n\n\n
    MongoDB \u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u652f\u6301\u5e38\u89c1\u7684\u9009\u9879\uff08Flags\uff09\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n
      \n
    • i<\/code><\/strong>\uff1a\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/li>\n\n\n\n
    • m<\/code><\/strong>\uff1a\u591a\u884c\u5339\u914d\u3002<\/li>\n\n\n\n
    • x<\/code><\/strong>\uff1a\u5ffd\u7565\u7a7a\u767d\u5b57\u7b26\u5e76\u5141\u8bb8\u6ce8\u91ca\u3002<\/li>\n<\/ul>\n\n\n\n
      (1) \u5339\u914d\u4e0d\u533a\u5206\u5927\u5c0f\u5199<\/strong><\/h3>\n\n\n\n
      db.users.find({ name: { $regex: \/mongo\/i } })<\/code><\/pre>\n\n\n\n
      \u6b64\u67e5\u8be2\u5c06\u5339\u914d\u5305\u542b mongo<\/code> \u6216 Mongo<\/code> \u7b49\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u6587\u672c\u3002<\/p>\n\n\n\n
      (2) \u591a\u884c\u5339\u914d<\/strong><\/h3>\n\n\n\n
      db.users.find({ name: { $regex: \/^john$\/m } })<\/code><\/pre>\n\n\n\n
      \u6b64\u67e5\u8be2\u4f1a\u5339\u914d\u5728\u591a\u884c\u6587\u672c\u4e2d\uff0c\u4ee5 “john” \u4e3a\u5b8c\u6574\u7684\u4e00\u884c\u7684\u6587\u6863\u3002<\/p>\n\n\n\n
      \n\n\n\n
      4. \u6b63\u5219\u8868\u8fbe\u5f0f\u67e5\u8be2\u7684\u64cd\u4f5c\u7b26<\/strong><\/h2>\n\n\n\n
      MongoDB \u652f\u6301\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u67e5\u8be2\u64cd\u4f5c\u7b26\u5305\u62ec\uff1a<\/p>\n\n\n\n
      (1) $regex<\/code><\/strong>\uff1a\u5339\u914d\u6a21\u5f0f<\/h3>\n\n\n\n
      db.collection.find({ field: { $regex: \/pattern\/ } })<\/code><\/pre>\n\n\n\n
        \n
      • \u5339\u914d field<\/code> \u5b57\u6bb5\u4e2d\u7b26\u5408\u6b63\u5219\u6a21\u5f0f pattern<\/code> \u7684\u503c\u3002<\/li>\n<\/ul>\n\n\n\n
        (2) $options<\/code><\/strong>\uff1a\u6307\u5b9a\u6b63\u5219\u9009\u9879<\/h3>\n\n\n\n
        db.collection.find({ field: { $regex: \/pattern\/, $options: 'i' } })<\/code><\/pre>\n\n\n\n
          \n
        • \u5728\u67e5\u8be2\u4e2d\u6307\u5b9a\u9009\u9879\uff0c\u4f8b\u5982\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff08i<\/code>\uff09\u6216\u591a\u884c\u5339\u914d\uff08m<\/code>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
          (3) $not<\/code><\/strong>\uff1a\u6392\u9664\u6a21\u5f0f<\/h3>\n\n\n\n
          db.collection.find({ field: { $not: \/pattern\/ } })<\/code><\/pre>\n\n\n\n
            \n
          • \u6392\u9664\u4e0e\u6307\u5b9a\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u7684\u6587\u6863\u3002<\/li>\n<\/ul>\n\n\n\n
            (4) $regex<\/code> \u4e0e $options<\/code> \u8054\u5408\u4f7f\u7528<\/strong><\/h3>\n\n\n\n
            db.collection.find({ field: { $regex: \/^hello\/, $options: 'i' } })<\/code><\/pre>\n\n\n\n
              \n
            • \u8fd9\u4e2a\u67e5\u8be2\u4f1a\u67e5\u627e field<\/code> \u5b57\u6bb5\u4ee5 hello<\/code> \u5f00\u5934\u4e14\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u6587\u6863\u3002<\/li>\n<\/ul>\n\n\n\n
              \n\n\n\n
              5. \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u66f4\u590d\u6742\u7684\u67e5\u8be2<\/strong><\/h2>\n\n\n\n
              (1) \u67e5\u8be2\u4ee5\u7279\u5b9a\u5b57\u7b26\u5f00\u5934<\/strong><\/h3>\n\n\n\n
              \u4f8b\u5982\uff0c\u67e5\u627e\u6240\u6709\u4ee5 admin<\/code> \u5f00\u5934\u7684\u7528\u6237\u540d\uff1a<\/p>\n\n\n\n
              db.users.find({ username: { $regex: \/^admin\/ } })<\/code><\/pre>\n\n\n\n
              (2) \u67e5\u8be2\u4ee5\u7279\u5b9a\u5b57\u7b26\u7ed3\u5c3e<\/strong><\/h3>\n\n\n\n
              \u4f8b\u5982\uff0c\u67e5\u627e\u6240\u6709\u4ee5 com<\/code> \u7ed3\u5c3e\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\uff1a<\/p>\n\n\n\n
              db.users.find({ email: { $regex: \/com$\/ } })<\/code><\/pre>\n\n\n\n
              (3) \u67e5\u8be2\u5305\u542b\u7279\u5b9a\u5b57\u7b26<\/strong><\/h3>\n\n\n\n
              \u4f8b\u5982\uff0c\u67e5\u627e\u5305\u542b db<\/code> \u7684\u5b57\u6bb5\uff1a<\/p>\n\n\n\n
              db.users.find({ email: { $regex: \/db\/ } })<\/code><\/pre>\n\n\n\n
              (4) \u67e5\u8be2\u7279\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u4e32<\/strong><\/h3>\n\n\n\n
              \u4f60\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9650\u5236\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002\u4f8b\u5982\uff0c\u67e5\u8be2\u5305\u542b5\u4e2a\u5b57\u7b26<\/strong>\u7684\u6587\u6863\uff1a<\/p>\n\n\n\n
              db.users.find({ username: { $regex: \/^.{5}$\/ } })<\/code><\/pre>\n\n\n\n
              ^.{5}$<\/code> \u8868\u793a\u7cbe\u786e\u5339\u914d5\u4e2a\u4efb\u610f\u5b57\u7b26\u3002<\/p>\n\n\n\n
              \n\n\n\n
              6. \u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u6027\u80fd<\/strong><\/h2>\n\n\n\n
              \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u7279\u522b\u662f\u5f53\u6a21\u5f0f\u8f83\u590d\u6742\u6216\u4e0d\u4ee5\u7279\u5b9a\u5b57\u7b26\u5f00\u5934\u65f6\uff0cMongoDB \u53ef\u80fd\u65e0\u6cd5\u4f7f\u7528\u7d22\u5f15\u4f18\u5316\u67e5\u8be2\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898<\/strong>\u3002\u4e3a\u4e86\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\uff0c\u5c3d\u91cf\u9075\u5faa\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n
                \n
              • \u4f7f\u7528\u7279\u5b9a\u5b57\u7b26\u5339\u914d<\/strong>\uff1a\u5982\u679c\u67e5\u8be2\u6a21\u5f0f\u4ece\u5b57\u6bb5\u7684\u5f00\u59cb\u90e8\u5206\u5f00\u59cb\u5339\u914d\uff0cMongoDB \u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\uff08\u524d\u7f00\u5339\u914d\uff09\u3002<\/li>\n\n\n\n
              • \u907f\u514d\u4f7f\u7528\u8fc7\u4e8e\u590d\u6742\u7684\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\uff1a\u7279\u522b\u662f\u90a3\u4e9b\u9700\u8981\u626b\u63cf\u6574\u4e2a\u5b57\u6bb5\u7684\u6a21\u5f0f\uff0c\u4f8b\u5982 .*<\/code>\uff0c\u8fd9\u4f1a\u4f7f MongoDB \u6267\u884c\u5168\u8868\u626b\u63cf\u3002<\/li>\n\n\n\n
              • \u8003\u8651\u4f7f\u7528\u6587\u672c\u7d22\u5f15<\/strong>\uff1a\u5bf9\u4e8e\u5927\u90e8\u5206\u6587\u672c\u641c\u7d22\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 MongoDB \u7684\u5168\u6587\u7d22\u5f15\uff08$text<\/code>\uff09\uff0c\u5b83\u6bd4\u666e\u901a\u6b63\u5219\u67e5\u8be2\u66f4\u9ad8\u6548\u3002<\/li>\n<\/ul>\n\n\n\n
                \n\n\n\n
                7. \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
                MongoDB \u652f\u6301\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u7075\u6d3b\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528\u4e8e\u5339\u914d\u3001\u66ff\u6362\u6587\u672c\u5b57\u6bb5\u4e2d\u7684\u6a21\u5f0f\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 i<\/code>\u3001m<\/code> \u7b49\u9009\u9879\u63a7\u5236\u5339\u914d\u89c4\u5219\uff0c\u5e76\u7ed3\u5408\u5176\u4ed6\u67e5\u8be2\u64cd\u4f5c\u7b26\uff0c\u5982 $not<\/code>\uff0c\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u67e5\u8be2\u3002<\/p>\n\n\n\n
                \u6ce8\u610f\uff1a<\/strong> \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u65f6\uff0c\u6027\u80fd\u53ef\u80fd\u53d7\u5f71\u54cd\uff0c\u5c24\u5176\u662f\u5728\u6ca1\u6709\u7d22\u5f15\u4f18\u5316\u7684\u60c5\u51b5\u4e0b\uff0c\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u8fc7\u4e8e\u590d\u6742\u7684\u6a21\u5f0f\u3002<\/p>\n\n\n\n
                \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u53ef\u4ee5\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                1. \u4ec0\u4e48\u662f MongoDB \u6b63\u5219\u8868\u8fbe\u5f0f\uff1f \u5728 MongoDB \u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regex\uff09\u7528\u4e8e\u5bf9\u6587\u6863\u4e2d\u7684\u5b57\u7b26 […]<\/p>\n","protected":false},"author":1,"featured_media":2537,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[],"class_list":["post-2497","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mongodb"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2497"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2497\/revisions"}],"predecessor-version":[{"id":2498,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2497\/revisions\/2498"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2537"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}