{"id":205234,"date":"2025-05-29T13:18:28","date_gmt":"2025-05-29T05:18:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205234\/"},"modified":"2025-05-29T13:18:28","modified_gmt":"2025-05-29T05:18:28","slug":"%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%8c%b9%e9%85%8d%e5%b0%8f%e6%8b%ac%e5%8f%b7%e5%86%85%e7%9a%84%e5%86%85%e5%ae%b9%ef%bc%9a%e4%b8%ba%e4%bd%95-re-findall-%e5%87%bd%e6%95%b0%e7%bb%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205234\/","title":{"rendered":"\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5c0f\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1a\u4e3a\u4f55 re.findall() \u51fd\u6570\u7ed3\u679c\u4e0d\u540c\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5c0f\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1a\u4e3a\u4f55 re.findall() \u51fd\u6570\u7ed3\u679c\u4e0d\u540c\uff1f<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5c0f\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1a\u4e3a\u4f55 re.findall() \u51fd\u6570\u7ed3\u679c\u4e0d\u540c\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

<\/p>\n

\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5c0f\u62ec\u53f7\u4e2d\u7684\u5dee\u5f02<\/strong><\/p>\n

\u6b63\u5982\u95ee\u9898\u6240\u8ff0\uff0c\u4f7f\u7528 re.findall() \u51fd\u6570\u5339\u914d\u5c0f\u62ec\u53f7\u65f6\uff0c\u4f1a\u4ea7\u751f\u4e0d\u540c\u7684\u7ed3\u679c\u3002\u8fd9\u662f\u7531\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u662f\u5426\u5305\u542b\u6355\u83b7\u7ec4\u6240\u81f4\u3002<\/p>\n

\u7b2c\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f sin(.+?) \u4ec5\u5305\u542b\u4e00\u4e2a\u6355\u83b7\u7ec4\uff0c\u7528\u4e8e\u5339\u914d\u62ec\u53f7\u5185\u7684\u5185\u5bb9\u3002\u56e0\u6b64\uff0cre.findall() \u51fd\u6570\u8fd4\u56de\u4e86\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u5339\u914d\u5230\u7684\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff0c\u5373 [’30’]\u3002<\/p>\n

\u7b2c\u4e8c\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f (cos|sin|tan|arcsin|arccos|arctan)(.+?) \u5305\u542b\u4e86\u591a\u4e2a\u6355\u83b7\u7ec4\uff1a\u62ec\u53f7\u5916\u7684\u6355\u83b7\u7ec4\u6355\u83b7\u4e86\u4e09\u89d2\u51fd\u6570\u540d\u79f0\uff0c\u62ec\u53f7\u5185\u7684\u6355\u83b7\u7ec4\u6355\u83b7\u4e86\u62ec\u53f7\u5185\u7684\u5185\u5bb9\u3002\u5f53\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6210\u529f\u65f6\uff0cre.findall() \u51fd\u6570\u5c06\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u6bcf\u4e2a\u6355\u83b7\u7ec4\u7684\u5185\u5bb9\u3002\u7531\u4e8e\u975e\u6355\u83b7\u7ec4\u4e0d\u4f1a\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9\uff0c\u56e0\u6b64\u7b2c\u4e8c\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u8fd4\u56de\u7684\u7ed3\u679c\u4e2d\u4e0d\u4f1a\u5305\u542b\u62ec\u53f7\u3002<\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06\u7b2c\u4e8c\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u62ec\u53f7\u5916\u7684\u6355\u83b7\u7ec4\u66ff\u6362\u4e3a\u975e\u6355\u83b7\u7ec4\u5f62\u5f0f\uff1a(?:cos|sin|tan|arcsin|arccos|arctan)\u3002\u975e\u6355\u83b7\u7ec4\u4f7f\u7528 (?:) \u6765\u8868\u793a\uff0c\u5b83\u4e0d\u4f1a\u6355\u83b7\u5339\u914d\u5230\u7684\u5185\u5bb9\u3002<\/p>\n

\u8fd9\u6837\u4fee\u6539\u540e\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5c06\u5339\u914d\u51fa\u76f8\u540c\u7684\u62ec\u53f7\u5185\u5185\u5bb9\uff0c\u4f46\u4e0d\u4f1a\u5305\u542b\u62ec\u53f7\u672c\u8eab\uff1a<\/p>\n

trigonometric_functions = re.compile(r'(?:cos|sin|tan|arcsin|arccos|arctan)\\(.+?\\)', re.DOTALL)\nprint(re.findall(trigonometric_functions, 'sin(30)'))\n# Output: ['30']<\/pre>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5c0f\u62ec\u53f7\u5185\u7684\u5185\u5bb9\uff1a\u4e3a...<\/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-205234","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205234","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=205234"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205234\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}