{"id":7309,"date":"2022-02-25T14:35:17","date_gmt":"2022-02-25T06:35:17","guid":{"rendered":"https:\/\/blog.ywdevops.cn\/?p=7309"},"modified":"2022-03-25T09:57:40","modified_gmt":"2022-03-25T01:57:40","slug":"go-15","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2022\/02\/25\/go-15\/","title":{"rendered":"Go\u8bed\u8a00\u4e4b\u6b63\u5219\u8868\u8fbe\u5f0f"},"content":{"rendered":"\n

1\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7b80\u4ecb\uff1a<\/strong><\/p>\n\n\n\n

\u6b63\u5219\u8868\u8fbe\u5f0f\u63cf\u8ff0\u4e86\u53ef\u7528\u4e8e\u4e0e\u6570\u636e\u4ea4\u4e92\u7684\u641c\u7d22\u6a21\u5f0f\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u5b8c\u6210\u9a8c\u8bc1\u6570\u636e\u3001\u67e5\u627e\u6570\u636e\u4ee5\u53ca\u64cd\u4f5c\u5927\u91cf\u6587\u672c\u7b49\u4efb\u52a1<\/p>\n\n\n\n

\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7528\u9014\u4e4b\u4e00\u662f\u5728\u5b57\u7b26\u4e32\u4e2d\u67e5\u627e\u4e0e\u6307\u5b9a\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u7684\u5b50\u4e32\uff0c\u4f46\u662f\u5728\u67e5\u627e\u7684\u65f6\u5019\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u68c0\u67e5\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684<\/p>\n\n\n\n

\u5728Go \u8bed\u8a00\u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u529f\u80fd\u662f\u7531regex \u5305\u63d0\u4f9b\u7684\uff0c\u8fd9\u4e2a\u5305\u5b9e\u73b0\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u67e5\u627e\u548c\u6a21\u5f0f\u5339\u914d\u529f\u80fd\u3002\u5b83\u4f7f\u7528\u7684\u662fRE2 \u8bed\u6cd5\uff0c\u64cd\u4f5c\u7684\u76ee\u6807\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\uff0c\u4e5f\u53ef\u4ee5\u662f\u5b57\u8282<\/p>\n\n\n\n

\u4f7f\u7528\u51fd\u6570MatchString\u53ef\u4ee5\u7528\u6765\u5339\u914d\u5b57\u7b26\u4e32\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f\u548c\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u6839\u636e\u662f\u5426\u5339\u914d\u8fd4\u56detrue \u6216false<\/p>\n\n\n\n

\u4e0b\u9762\u4f8b\u5b50\u8868\u793a\u5728\u5b57\u7b26\u4e32b\u4e2d\u67e5\u627e\u53d8\u91cf\u4e3aa\u7684\u5b57\u7b26\u4e32\u5185\u5bb9\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u4ece\u7ed3\u679c\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5e76\u6ca1\u6709\u627e\u5230\u7b26\u5408\u7684\u5b57\u7b26\u4e32\uff0c\u56e0\u4e3a\u6b63\u5219\u5339\u914d\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\uff0c\u8981\u67e5\u627e\u7684\u4e3a\u5c0f\u5199\u7684hello\uff0c\u5728\u53d8\u91cfb\u4e2d\u6ca1\u6709\u5339\u914d\u7684\u5b57\u6bb5<\/p>\n\n\n\n

\u8981\u4ee5\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u65b9\u5f0f\u67e5\u627e\uff0c\u5fc5\u987b\u4fee\u6539\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u4f7f\u5176\u5728\u67e5\u627e\u5355\u8bcd\u65f6\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff0c\u53ef\u4fee\u6539\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8fd0\u884c\u7ed3\u679c\u4e3atrue\uff0c\u8868\u793a\u53ef\u4ee5\u6b63\u5e38\u5339\u914d\u5230\u5b57\u7b26\u4e32\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
  • \u7b2c10\u884c\uff1a\u5b57\u7b26\u4e32\u5f00\u5934\u7684\u7279\u6b8a\u8bed\u6cd5 (?i) \u8ba9\u6b63\u5219\u8868\u8fbe\u5f0f\u5f15\u64ce\u4e0d\u533a\u5206\u5927\u5c0f\u5199<\/li><\/ul>\n\n\n\n

    2\u3001\u5e38\u7528\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u8bed\u6cd5\uff1a<\/strong><\/p>\n\n\n\n

    \u5b57\u7b26<\/td>\u542b\u4e49<\/td><\/tr>
    .<\/td>\u4e0e\u9664\u6362\u884c\u7b26\u4e4b\u524d\u7684\u5176\u4ed6\u4efb\u4f55\u5b57\u7b26\u90fd\u5339\u914d<\/td><\/tr>
    *<\/td>\u4e0e\u82d3\u4e2a\u6216\u591a\u4e2a\u6307\u5b9a\u7684\u5b57\u7b26\u5339\u914d<\/td><\/tr>
    ^<\/td>\u8868\u793a\u884c\u9996,\u5339\u914d\u5f00\u59cb<\/td><\/tr>
    $<\/td>\u8868\u793a\u884c\u5c3e\uff0c\u5339\u914d\u7ed3\u5c3e<\/td><\/tr>
    +<\/td>\u5339\u914d\u4e00\u6b21\u6216\u591a\u6b21<\/td><\/tr>
    ?<\/td>\u5339\u914d\u96f6\u6216\u4e00\u6b21<\/td><\/tr>
    []<\/td>\u4e0e\u65b9\u6269\u53f7\u5185\u6307\u5b9a\u7684\u4efb\u4f55\u5b57\u7b26\u90fd\u5339\u914d<\/td><\/tr>
    {n}<\/td>\u5339\u914dn \u6b21<\/td><\/tr>
    {n,}<\/td>\u5339\u914dn \u6b21\u6216\u66f4\u591a\u6b21<\/td><\/tr>
    {m,n}<\/td>\u6700\u5c11\u5339\u914dm \u6b21\uff0c\u6700\u591a\u5339\u914dn \u6b21<\/td><\/tr>
    [^….]<\/td>\u5339\u914d\u4e0d\u5728[]\u4e2d\u7684\u5185\u5bb9\uff0c\u5982[^abc]\u8868\u793a\u5339\u914d\u9664\u4e86abc\u4e4b\u5916\u7684\u5b57\u7b26<\/td><\/tr>
    [:alnum:]<\/td>\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u5b57\u6bcd\u6216\u8005\u6570\u5b57,\u7b49\u4ef7\u4e8ea-zA-Z0-9,\u4f7f\u7528\u65f6\u4e5f\u9700\u8981\u4e2d\u62ec\u53f7[[:alnum:]]<\/td><\/tr>
    [:^alnum:] <\/td>\u5339\u914d\u9664\u4e86\u5b57\u6bcd\u548c\u6570\u5b57\u4e4b\u5916\u7684\u5b57\u7b26\uff0c\u7b49\u4ef7\u4e8e^a-zA-Z0-9<\/td><\/tr>
    [:alpha:]<\/td>\u5339\u914d\u4efb\u610f\u5b57\u6bcd\uff0c\u7b49\u4ef7\u4e8ea-zA-Z<\/td><\/tr>
    [:digit:]<\/td>\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u6570\u5b57\uff0c\u7b49\u4ef7\u4e8e0-9<\/td><\/tr>
    [:lower:]<\/td>\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u5c0f\u5199\u5b57\u6bcd\uff0c\u7b49\u4ef7\u4e8ea-z<\/td><\/tr>
    [:upper:]<\/td>\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u5927\u5199\u5b57\u6bcd\uff0c\u7b49\u4ef7\u4e8eA-Z<\/td><\/tr>
    [:space:]<\/td>\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u7a7a\u767d\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u884c\u7b26\u3001\u5206\u9875\u7b26\u7b49<\/td><\/tr>
    [:blank:]<\/td>\u5339\u914d\u7a7a\u683c\u548c\u5236\u8868\u7b26<\/td><\/tr>
    [:graph:] <\/td>\u5339\u914d\u56fe\u5f62\u5b57\u7b26<\/td><\/tr>
    [:print:]<\/td>\u5339\u914d\u53ef\u6253\u5370\u5b57\u7b26<\/td><\/tr>
    \\w<\/td>\u5339\u914d\u5b57\u6bcd\u6216\u6570\u5b57\u6216\u4e0b\u5212\u7ebf\u6216\u6c49\u5b57<\/td><\/tr>
    \\s<\/td>\u5339\u914d\u4efb\u610f\u7684\u7a7a\u767d\u7b26<\/td><\/tr>
    \\d<\/td>\u5339\u914d\u6570\u5b57<\/td><\/tr>
    \\b<\/td>\u5339\u914d\u5355\u8bcd\u7684\u5f00\u59cb\u6216\u7ed3\u675f<\/td><\/tr>
    \\W<\/td>\u5339\u914d\u4efb\u610f\u4e0d\u662f\u5b57\u6bcd\uff0c\u6570\u5b57\uff0c\u4e0b\u5212\u7ebf\uff0c\u6c49\u5b57\u7684\u5b57\u7b26<\/td><\/tr>
    \\S<\/td>\u5339\u914d\u4efb\u610f\u4e0d\u662f\u7a7a\u767d\u7b26\u7684\u5b57\u7b26<\/td><\/tr>
    \\D<\/td>\u5339\u914d\u4efb\u610f\u975e\u6570\u5b57\u7684\u5b57\u7b26<\/td><\/tr>
    \\B<\/td>\u5339\u914d\u4e0d\u662f\u5355\u8bcd\u5f00\u5934\u6216\u7ed3\u675f\u7684\u4f4d\u7f6e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u4f8b\u5982\uff1a^[a-zA-Z0-9]{5-10}$ \u8868\u793a\u4ece\u5b57\u7b26\u4e32\u5f00\u5934\u5f00\u59cb\u5339\u914d\uff0c\u53ef\u4ee5\u5339\u914da-z\u6216\u8005A-Z\u6216\u80050-9\u4e2d\u7684\u4efb\u610f\u5b57\u7b26\uff0c\u81f3\u5c11\u5339\u914d5\u6b21\uff0c\u6700\u591a\u4e0d\u8d85\u8fc710\u6b21<\/p>\n\n\n\n

    3\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n

    \u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u7528\u4e8e\u9a8c\u8bc1\u7a0b\u5e8f\u7684\u8f93\u5165\u6570\u636e\uff0c\u8fd9\u662f\u4e00\u79cd\u5206\u6790\u548c\u7406\u89e3\u6570\u636e\u7684\u9ad8\u6548\u65b9\u5f0f\uff0c\u8981\u5c06\u6b63\u5219\u8868\u8fbe\u5f0f\u8d4b\u7ed9\u53d8\u91cf\uff0c\u5fc5\u987b\u5148\u5bf9\u5176\u8fdb\u884c\u5206\u6790\u3002\u7528\u4e8e\u5206\u6790\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u51fd\u6570\u6709\u4e24\u4e2a\uff1a<\/p>\n\n\n\n

    • Compile \uff1a\u5728\u6b63\u5219\u8868\u8fbe\u5f0f\u672a\u80fd\u901a\u8fc7\u7f16\u8bd1\u65f6\u8fd4\u56de\u9519\u8bef<\/li>
    • MustCompile \uff1a\u5728\u6b63\u5219\u8868\u8fbe\u5f0f\u65e0\u6cd5\u7f16\u8bd1\u65f6\u5f15\u53d1panic<\/li><\/ul>\n\n\n\n

      \u4f7f\u7528\u54ea\u4e00\u4e2a\u53d6\u51b3\u4e8e\u5177\u4f53\u60c5\u51b5\uff0c\u4f46MustCompile \u901a\u5e38\u662f\u66f4\u4f73\u7684\u9009\u62e9\uff0c\u5982 re := regexp.MustCompile(” ^[a-zA-Z0-9]{5-10} “)<\/p>\n\n\n\n

      \u4e0b\u9762\u4f8b\u5b50\u6f14\u793a\u4e86\u5982\u4f55\u68c0\u67e5\u7528\u6237\u540d\uff0c\u4e0d\u80fd\u4ee5\u7279\u6b8a\u5b57\u7b26\u5f00\u5934\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      4\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u53d8\u6362\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n

      \u6b63\u5219\u8868\u8fbe\u5f0f\u4e5f\u53ef\u7528\u4e8e\u5b8c\u6210\u8fd9\u79cd\u4efb\u52a1\u4e00\u4e00\u5339\u914d\u6a21\u5f0f\u5e76\u8fdb\u884c\u66ff\u6362<\/p>\n\n\n\n

      \u4e0b\u9762\u4f8b\u5b50\u4e2d\uff0c\u5bf9\u8d85\u8fc712\u4e2a\u5b57\u7b26\u7684\u7528\u6237\u540d\u8fdb\u884c\u622a\u65ad\u4e3a\u53ea\u5305\u542b12\u4e2a\u5b57\u7b26\uff0c\u5e76\u5bf9\u5b57\u7b26\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u542b\u6709\u975e\u6cd5\u5b57\u7b26\uff0c\u5c06\u5176\u66ff\u6362\u4e3a\u5408\u6cd5\u5b57\u7b26\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n
      • \u7b2c9\u884c\uff1a\u58f0\u660e\u6570\u7ec4\uff0c\u5305\u542b4\u4e2a\u5143\u7d20<\/li>
      • \u7b2c15-16\u884c\uff1aMustCompile\u7528\u6765\u89e3\u6790\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u5426\u5408\u6cd5\uff0c\u5982\u679c\u4e0d\u5408\u6cd5\u629b\u51fa\u5f02\u5e38\uff0c\u5408\u6cd5\u5219\u8fd4\u56deRegexp \u5bf9\u8c61<\/li>
      • \u7b2c18-20\u884c\uff1a\u904d\u5386\u6570\u7ec4\uff0c\u5224\u65ad\u6570\u7ec4\u5143\u7d20\u957f\u5ea6\u5982\u679c\u5927\u4e8e12\uff0c\u90a3\u4e48\u8fdb\u884c\u622a\u53d6\uff0c\u53ea\u4fdd\u755912\u4e2a<\/li>
      • \u7b2c22-25\u884c\uff1a\u5982\u679c\u904d\u5386\u7684\u6570\u7ec4\u5143\u7d20\u4e0d\u7b26\u5408\u7b2c15\u884c\u5b9a\u4e49\u7684\u6b63\u5219\u89c4\u5219\uff0c\u901a\u8fc7\u5c06\u9664\u4e86\u6570\u5b57\u548c\u5b57\u6bcd\u5916\u7684\u5176\u4f59\u5b57\u7b26\u66ff\u6362\u4e3aY<\/li><\/ul>\n\n\n\n

        <\/p>\n","protected":false},"excerpt":{"rendered":"

        1\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7b80\u4ecb\uff1a \u6b63\u5219\u8868\u8fbe\u5f0f\u63cf\u8ff0\u4e86\u53ef\u7528\u4e8e\u4e0e\u6570\u636e\u4ea4\u4e92\u7684\u641c\u7d22\u6a21\u5f0f\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u5b8c\u6210\u9a8c\u8bc1\u6570\u636e\u3001\u67e5\u627e\u6570\u636e\u4ee5\u53ca\u64cd […]<\/p>\n","protected":false},"author":3,"featured_media":7311,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[111,23],"tags":[],"class_list":["post-7309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-go","category-rong"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/7309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=7309"}],"version-history":[{"count":40,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/7309\/revisions"}],"predecessor-version":[{"id":7745,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/7309\/revisions\/7745"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/7311"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=7309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=7309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=7309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}