{"id":204691,"date":"2025-05-29T08:30:14","date_gmt":"2025-05-29T00:30:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204691\/"},"modified":"2025-05-29T08:30:14","modified_gmt":"2025-05-29T00:30:14","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88-python-%e4%b8%ad-replace-%e5%87%bd%e6%95%b0%e6%97%a0%e6%b3%95%e5%8e%bb%e9%99%a4%e8%bf%9e%e7%bb%ad%e6%8d%a2%e8%a1%8c%e7%ac%a6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204691\/","title":{"rendered":"\u4e3a\u4ec0\u4e48 Python \u4e2d replace \u51fd\u6570\u65e0\u6cd5\u53bb\u9664\u8fde\u7eed\u6362\u884c\u7b26\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4e3a\u4ec0\u4e48 Python \u4e2d replace \u51fd\u6570\u65e0\u6cd5\u53bb\u9664\u8fde\u7eed\u6362\u884c\u7b26\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u4e3a\u4ec0\u4e48 Python \u4e2d replace \u51fd\u6570\u65e0\u6cd5\u53bb\u9664\u8fde\u7eed\u6362\u884c\u7b26\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173148502467345d6005de6.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python \u4e2d\u4f7f\u7528 replace \u65e0\u6cd5\u53bb\u9664\u8fde\u7eed\u6362\u884c\u7b26<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0c\u4f7f\u7528 replace \u51fd\u6570\u53bb\u9664\u8fde\u7eed\u7684\u6362\u884c\u7b26\u4f3c\u4e4e\u4e0d\u8d77\u4f5c\u7528\uff0c\u800c\u4f7f\u7528 re.sub \u51fd\u6570\u5374\u53ef\u4ee5\u3002<\/p>\n<p>\u6765\u770b\u770b\u5982\u4e0b\u793a\u4f8b\uff1a<\/p>\n<pre># \u65e0\u6548\n'\\n\\n'.replace(r'\\n+', '')\n# '\\n\\n'\n\n# \u6709\u6548\nimport re\nre.sub('\\n+', '', '\\n\\n')\n# ''<\/pre>\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff1f<\/p>\n<p>replace \u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u53ea\u80fd\u63a5\u53d7\u5b57\u7b26\u4e32\uff0c\u800c\u6b63\u5219\u8868\u8fbe\u5f0f n+ \u7684\u5199\u6cd5\u4f1a\u88ab python \u89e3\u91ca\u4e3a\u666e\u901a\u5b57\u7b26\u4e32\u3002\u56e0\u6b64\uff0creplace \u51fd\u6570\u65e0\u6cd5\u5c06\u5176\u4f5c\u4e3a\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5339\u914d\u548c\u66ff\u6362\u3002<\/p>\n<p>\u800c re.sub \u51fd\u6570\u4e13\u95e8\u7528\u4e8e\u6267\u884c\u6b63\u5219\u8868\u8fbe\u5f0f\u66ff\u6362\uff0c\u56e0\u6b64\u53ef\u4ee5\u6b63\u786e\u5730\u5c06\u8fde\u7eed\u7684\u6362\u884c\u7b26\u66ff\u6362\u4e3a\u7a7a\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u4e3a\u4ec0\u4e48 Python \u4e2d replace \u51fd\u6570\u65e0\u6cd5\u53bb\u9664\u8fde\u7eed\u6362\u884c\u7b26\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48 Python \u4e2d rep&#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-204691","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204691","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=204691"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204691\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}