{"id":205174,"date":"2025-05-29T15:54:25","date_gmt":"2025-05-29T07:54:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205174\/"},"modified":"2025-05-29T15:54:25","modified_gmt":"2025-05-29T07:54:25","slug":"python%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e4%b8%ad%ef%bc%8c%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a1%ae%e5%8c%b9%e9%85%8d%e5%b9%b6%e4%bf%9d%e7%95%99%e6%8b%ac%e5%8f%b7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205174\/","title":{"rendered":"Python\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\uff0c\u5982\u4f55\u6b63\u786e\u5339\u914d\u5e76\u4fdd\u7559\u62ec\u53f7\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\uff0c\u5982\u4f55\u6b63\u786e\u5339\u914d\u5e76\u4fdd\u7559\u62ec\u53f7\uff1f<\/h1>\n<p>\u600e\u4e48\u5165\u95e8\u6587\u7ae0\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aPython\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\uff0c\u5982\u4f55\u6b63\u786e\u5339\u914d\u5e76\u4fdd\u7559\u62ec\u53f7\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241125\/17325144446744128c8716c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5c0f\u62ec\u53f7\u7684\u56f0\u60d1<\/strong><\/p>\n<p>python \u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b findall() \u51fd\u6570\u6765\u67e5\u627e\u5e76\u8fd4\u56de\u5339\u914d\u5b50\u5b57\u7b26\u4e32\u7684\u5217\u8868\u3002\u5728\u5339\u914d\u5c0f\u62ec\u53f7\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u533a\u522b\uff1a<\/p>\n<p>\u5f53\u6b63\u5219\u8868\u8fbe\u5f0f\u4e0d\u5305\u542b\u6355\u83b7\u7ec4\u65f6\uff0cfindall() \u8fd4\u56de\u5339\u914d\u7ed3\u679c\u7684\u5217\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>import re\nmy_sin = re.compile(r'sin\\(.+?\\)', re.dotall)\nprint(re.findall(my_sin, 'sin(30)'))<\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre>['sin(30)']<\/pre>\n<p>\u62ec\u53f7\u672c\u8eab\u88ab\u5305\u542b\u5728\u5339\u914d\u7ed3\u679c\u4e2d\u3002<\/p>\n<p>\u5f53\u6b63\u5219\u8868\u8fbe\u5f0f\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u6355\u83b7\u7ec4\u65f6\uff0cfindall() \u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6355\u83b7\u7ec4\u5185\u5bb9\u7684\u5217\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>trigonometric_functions = re.compile(r'(cos|sin|tan|arcsin|arccos|arctan)\\(.+?\\)', re.dotall)\nprint(re.findall(trigonometric_functions, 'sin(30)'))<\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre>['sin']<\/pre>\n<p>\u62ec\u53f7\u4e0d\u5305\u542b\u5728\u5339\u914d\u7ed3\u679c\u4e2d\uff0c\u56e0\u4e3a\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7684\u5c0f\u62ec\u53f7\u5f62\u6210\u4e00\u4e2a\u6355\u83b7\u7ec4\u3002\u8981\u4fdd\u7559\u62ec\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u975e\u6355\u83b7\u7ec4\u5f62\u5f0f\uff1a<\/p>\n<pre>trigonometric_functions = re.compile(r'(?:cos|sin|tan|arcsin|arccos|arctan)\\(.+?\\)', re.DOTALL)<\/pre>\n<p>\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":"<p>Python\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\uff0c\u5982\u4f55\u6b63&#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-205174","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205174","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=205174"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205174\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}