{"id":204364,"date":"2025-05-29T12:32:37","date_gmt":"2025-05-29T04:32:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204364\/"},"modified":"2025-05-29T12:32:37","modified_gmt":"2025-05-29T04:32:37","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-python-%e7%9a%84-re-split-%e5%87%bd%e6%95%b0%e6%a0%b9%e6%8d%ae%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%88%86%e5%89%b2%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204364\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Python \u7684 re.split \u51fd\u6570\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u540c\u65f6\u6392\u9664\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 Python \u7684 re.split \u51fd\u6570\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u540c\u65f6\u6392\u9664\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1f<\/h1>\n<p>\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300a\u5982\u4f55\u4f7f\u7528 Python \u7684 re.split \u51fd\u6570\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u540c\u65f6\u6392\u9664\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241105\/17308013866729eeea9526f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u89e3\u6790\u6b63\u5219\u5206\u5272\u7b26 re.split<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0cre.split \u51fd\u6570\u53ef\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u7ed3\u679c\u5c06\u76ee\u6807\u5b57\u7b26\u4e32\u5206\u5272\u4e3a\u5217\u8868\u3002\u4ee5\u4e0b\u8be6\u7ec6\u89e3\u8bfb re.split(r&#8221;&#8221;, a) \u7684\u7528\u6cd5\uff1a<\/p>\n<p>r&#8221;&#8221;\uff1a\u6307\u51fa\u4e86\u8fd9\u662f\u4e00\u4e2a\u539f\u59cb\u5b57\u7b26\u4e32\uff0c\u9632\u6b62\u7279\u6b8a\u5b57\u7b26\u88ab\u8f6c\u4e49\uff0c\u786e\u4fdd\u6b63\u5219\u8868\u8fbe\u5f0f\u88ab\u539f\u5c01\u4e0d\u52a8\u5730\u4f7f\u7528\u3002<\/p>\n<p>,(?![^(]*))\uff1a\u8fd9\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u5176\u6307\u5b9a\u4e86\u5206\u5272\u89c4\u5219\uff1a<\/p>\n<ul>\n<li>( \u8868\u793a\u5339\u914d\u5de6\u62ec\u53f7 (\u3002<\/li>\n<li>[^(]* \u8868\u793a\u5339\u914d ( \u4e4b\u540e\u4e0d\u5305\u542b ( \u7684\u4efb\u610f\u6570\u91cf\u5b57\u7b26\u3002<\/li>\n<li>)) \u8868\u793a\u5339\u914d\u53f3\u62ec\u53f7 ).<\/li>\n<li>?! \u8868\u793a\u8d1f\u5411\u5148\u884c\u65ad\u8a00\uff0c\u5b83\u6392\u9664\u5305\u542b\u62ec\u53f7\u548c\u62ec\u53f7\u5185\u4efb\u610f\u5b57\u7b26\u7684\u5339\u914d\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u4f1a\u5339\u914d\u9017\u53f7 `,\uff0c\u4f46\u4e0d\u5339\u914d\u62ec\u53f7\u53ca\u62ec\u53f7\u5185\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u6bd4\u5982\uff0c\u7ed9\u5b9a\u5b57\u7b26\u4e32 a = &#8220;sfdsf,(sdf),adfsf,sdfsf,(,),&#8221;\uff0c\u4f7f\u7528 re.split \u51fd\u6570\u5982\u4e0b\uff1a<\/p>\n<pre>&gt;&gt;&gt; import re\n&gt;&gt;&gt; a = \"sfdsf,(sdf),adfsf,sdfsf,(,),\"\n&gt;&gt;&gt; b = re.split(r&amp;quot;,(?![^(]*\\))&amp;quot;, a)\n&gt;&gt;&gt; print(b)\n['sfdsf', '(sdf)', 'adfsf', 'sdfsf', '(,)', '']<\/pre>\n<p>\u7ed3\u679c\u5217\u8868 b \u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u9017\u53f7\u5206\u9694\u76ee\u6807\u5b57\u7b26\u4e32\uff0c\u6392\u9664\u62ec\u53f7\u5185\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 Python \u7684 re.split \u51fd\u6570\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u540c\u65f6\u6392\u9664\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528 Python \u7684 re&#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-204364","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204364","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=204364"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204364\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}