{"id":204050,"date":"2025-05-29T09:32:47","date_gmt":"2025-05-29T01:32:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204050\/"},"modified":"2025-05-29T09:32:47","modified_gmt":"2025-05-29T01:32:47","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-re-split-%e5%87%bd%e6%95%b0%e5%88%86%e5%89%b2%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%8c%e6%8e%92%e9%99%a4%e5%8c%85%e5%90%ab%e6%8b%ac%e5%8f%b7%e5%92%8c%e6%8b%ac","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204050\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 `re.split` \u51fd\u6570\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u6392\u9664\u5305\u542b\u62ec\u53f7\u548c\u62ec\u53f7\u5185\u5b57\u7b26\u7684\u5b50\u5b57\u7b26\u4e32\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 `re.split` \u51fd\u6570\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u6392\u9664\u5305\u542b\u62ec\u53f7\u548c\u62ec\u53f7\u5185\u5b57\u7b26\u7684\u5b50\u5b57\u7b26\u4e32\uff1f<\/h1>\n<p>\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u5982\u4f55\u4f7f\u7528 `re.split` \u51fd\u6570\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u6392\u9664\u5305\u542b\u62ec\u53f7\u548c\u62ec\u53f7\u5185\u5b57\u7b26\u7684\u5b50\u5b57\u7b26\u4e32\uff1f\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729907137671c49c12ff15.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python re.split \u51fd\u6570\u8be6\u89e3<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0cre.split() \u51fd\u6570\u7528\u4e8e\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u7ed3\u679c\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u5272\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre>re.split(pattern, string, [maxsplit=-1])<\/pre>\n<p><strong>\u53c2\u6570<\/strong><\/p>\n<ul>\n<li>pattern\uff1a\u8981\u5339\u914d\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/li>\n<li>string\uff1a\u8981\u5206\u5272\u7684\u76ee\u6807\u5b57\u7b26\u4e32\u3002<\/li>\n<li>maxsplit\uff1a\u53ef\u9009\u9879\uff0c\u6307\u5b9a\u5206\u5272\u6b21\u6570\u3002<\/li>\n<\/ul>\n<p><strong>\u95ee\u9898\uff1are.split(r&#8221;(?![^(]*))&#8221;, a)<\/strong><\/p>\n<p><strong>\u89e3\u8bfb<\/strong><\/p>\n<p>\u8fd9\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u5c06\u5339\u914d\u9017\u53f7\uff08 , \uff09\uff0c\u6392\u9664\u5305\u542b\u62ec\u53f7\u548c\u62ec\u53f7\u5185\u4efb\u610f\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n<ul>\n<li>\u9996\u5148\uff0c\u8868\u8fbe\u5f0f (?![^(]*)) \u67e5\u627e\u4e0d\u5305\u542b\u62ec\u53f7\u6216\u62ec\u53f7\u5185\u5b57\u7b26\u7684\u9017\u53f7\u3002<\/li>\n<li>\u7136\u540e\uff0cre.split() \u51fd\u6570\u5c06\u6839\u636e\u5339\u914d\u7ed3\u679c\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u5272\u3002<\/li>\n<li>\u7ed3\u679c\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e0d\u5305\u542b\u6392\u9664\u5b57\u7b26\u4e32\u7684\u5206\u5272\u7247\u6bb5\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<pre>import re\n\na = \"sfdsf,(sdf),adfsf,sdfsf,(,),\"\nb = re.split(r\"(?![^(]*\\))\", a)\nprint(b)<\/pre>\n<p><strong>\u8f93\u51fa<\/strong><\/p>\n<pre>['sfdsf', '(sdf)', 'adfsf', 'sdfsf', '(,)', '']<\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5339\u914d\u7ed3\u679c\u4e3a\uff1a<\/p>\n<ul>\n<li>;<\/li>\n<li>(sdf)<\/li>\n<li>;<\/li>\n<li>;sdfsf<\/li>\n<li>(,)<\/li>\n<li>;<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5b57\u7b26\u4e32\u88ab\u5206\u5272\u6210\u516d\u4e2a\u90e8\u5206\uff0c\u5176\u4e2d\u5305\u542b\u62ec\u53f7\u6216\u62ec\u53f7\u5185\u5b57\u7b26\u7684\u90e8\u5206\uff08(sdf) \u548c (,)\uff09\u88ab\u539f\u6837\u4fdd\u6301\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 `re.split` \u51fd\u6570\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u6392\u9664\u5305\u542b\u62ec\u53f7\u548c\u62ec\u53f7\u5185\u5b57\u7b26\u7684\u5b50\u5b57\u7b26\u4e32\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528 `re.split` &#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-204050","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204050","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=204050"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204050\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}