{"id":205120,"date":"2025-05-29T12:30:17","date_gmt":"2025-05-29T04:30:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205120\/"},"modified":"2025-05-29T12:30:17","modified_gmt":"2025-05-29T04:30:17","slug":"python-%e4%b8%ad-match-%e8%af%ad%e5%8f%a5%e7%9a%84%e5%8f%98%e9%87%8f%e6%af%94%e8%be%83%ef%bc%9a%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a1%ae%e4%bd%bf%e7%94%a8%e5%80%bc%e6%a8%a1%e5%bc%8f%e4%b8%8e%e6%8d%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205120\/","title":{"rendered":"Python \u4e2d match \u8bed\u53e5\u7684\u53d8\u91cf\u6bd4\u8f83\uff1a\u5982\u4f55\u6b63\u786e\u4f7f\u7528\u503c\u6a21\u5f0f\u4e0e\u6355\u83b7\u6a21\u5f0f\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u4e2d match \u8bed\u53e5\u7684\u53d8\u91cf\u6bd4\u8f83\uff1a\u5982\u4f55\u6b63\u786e\u4f7f\u7528\u503c\u6a21\u5f0f\u4e0e\u6355\u83b7\u6a21\u5f0f\uff1f <\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241124\/1732413647674288cf05392.jpg\" class=\"aligncenter\"><\/p>\n<p>\u5728 Python \u4e2d\u4f7f\u7528 match \u8bed\u53e5\u8fdb\u884c\u6a21\u5f0f\u5339\u914d\u65f6\uff0c\u4e86\u89e3\u4e0d\u540c\u6a21\u5f0f\u7c7b\u578b\u4e4b\u95f4\u7684\u5dee\u5f02\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u6d89\u53ca\u53d8\u91cf\u6bd4\u8f83\u65f6\u3002<\/p>\n<p>match \u8bed\u53e5\u53ef\u4ee5\u4f7f\u7528\u503c\u6a21\u5f0f\uff08value pattern\uff09\u6216\u6355\u83b7\u6a21\u5f0f\uff08capture pattern\uff09\u3002\u8fd9\u4e24\u79cd\u6a21\u5f0f\u7528\u4e8e\u4e0d\u540c\u7684\u76ee\u7684\u3002<\/p>\n<p><strong>value pattern<\/strong> \u7528\u4e8e\u6bd4\u8f83 match \u7684\u503c\u4e0e\u6a21\u5f0f\u4e2d\u7684\u503c\u662f\u5426\u76f8\u7b49\u3002\u8bed\u6cd5\uff1acase \u6a21\u5f0f:\u3002<\/p>\n<p><strong>capture pattern<\/strong> \u7528\u4e8e\u5c06 match \u7684\u503c\u5206\u914d\u7ed9\u4e00\u4e2a\u4e34\u65f6\u53d8\u91cf\u3002\u8bed\u6cd5\uff1acase \u53d8\u91cf:.<\/p>\n<p>\u4e0e\u503c\u6a21\u5f0f\u4e0d\u540c\uff0c\u6355\u83b7\u6a21\u5f0f\u4e0d\u4f1a\u6bd4\u8f83 match \u7684\u503c\u662f\u5426\u4e0e\u53d8\u91cf\u76f8\u7b49\u3002\u76f8\u53cd\uff0c\u5b83\u4f1a\u91cd\u65b0\u58f0\u660e\u8be5\u53d8\u91cf\uff0c\u5e76\u8d4b\u4e88\u5b83 match \u7684\u503c\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5982\u679c match \u7684\u503c\u4e0e\u53d8\u91cf\u76f8\u7b49\uff0c\u4f7f\u7528 capture \u6a21\u5f0f\u59cb\u7ec8\u4f1a\u5f97\u5230\u5339\u914d\u3002\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\uff0c\u56e0\u4e3a\u6b64\u540e\u7684\u6240\u6709\u6a21\u5f0f\u90fd\u5c06\u65e0\u6cd5\u8bbf\u95ee\u3002<\/p>\n<p>\u4e3a\u4e86\u5728 match \u4e2d\u6b63\u786e\u6bd4\u8f83\u53d8\u91cf\u503c\uff0c\u9700\u8981\u4f7f\u7528\u503c\u6a21\u5f0f\u3002\u503c\u4e3a\u6a21\u5f0f\u4f7f\u7528 ., \u8bed\u6cd5\u4e3a\uff1acase \u6a21\u5f0f.\u503c:.<\/p>\n<p>\u540c\u6837\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 == \u8fd0\u7b97\u7b26\u8fdb\u884c\u503c\u6bd4\u8f83\u3002\u4f8b\u5982\uff1acase \u53d8\u91cf == \u503c:.<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0ccapture \u6a21\u5f0f\u5728 Python \u6587\u6863\u4e2d\u6709\u65f6\u79f0\u4e3a &#8220;\u4e66\u9762\u6a21\u5f0f&#8221;\uff0c\u800c\u503c\u6a21\u5f0f\u79f0\u4e3a &#8220;or \u6a21\u5f0f&#8221;\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPython \u4e2d match \u8bed\u53e5\u7684\u53d8\u91cf\u6bd4\u8f83\uff1a\u5982\u4f55\u6b63\u786e\u4f7f\u7528\u503c\u6a21\u5f0f\u4e0e\u6355\u83b7\u6a21\u5f0f\uff1f \u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u4e2d match \u8bed&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205120","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205120"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205120\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}