{"id":178,"date":"2021-08-22T00:46:12","date_gmt":"2021-08-21T16:46:12","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/python\/?p=178"},"modified":"2021-08-22T00:46:12","modified_gmt":"2021-08-21T16:46:12","slug":"python%e4%b9%8bregex%e5%88%86%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/python\/post-178.html","title":{"rendered":"python\u4e4bregex\u5206\u7ec4"},"content":{"rendered":"\n

\u672c\u8282\u4ecb\u7ecdpython\u4e0e\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regex\uff09\u7684\u5206\u7ec4<\/p>\n\n\n\n

|<\/td>\u5339\u914d\u5de6\u53f3\u4efb\u610f\u4e00\u4e2a\u8868\u8fbe\u5f0f<\/td><\/tr>
(ab)<\/td>\u5c06\u62ec\u53f7\u4e2d\u5b57\u7b26\u4f5c\u4e3a\u4e00\u4e2a\u5206\u7ec4<\/td><\/tr>
\\num<\/td>\u5f15\u7528\u5206\u7ec4num\u5339\u914d\u5230\u7684\u5b57\u7b26\u4e32<\/td><\/tr>
(?P<name>)<\/td>\u5206\u7ec4\u8d77\u522b\u540d<\/td><\/tr>
(?P=name)<\/td>\u5f15\u7528\u522b\u540d\u4e3aname\u5206\u7ec4\u5339\u914d\u5230\u7684\u5b57\u7b26\u4e32<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5206\u7ec4\u8868\u793a\u7684\u662f\uff0c\u5bf9\u9009\u62e9\u591a\u4e2a\u5217\u4e3e\u5b57\u7b26\u7684\u4e00\u7ec4\uff0c\u4f8b\u5982xxx@163.com\u4e0exxx@qq.com\uff0c\u90a3\u4e48\u8fd9\u91cc\u7684163\u548cqq\u5c31\u53ef\u4ee5\u770b\u62102\u7ec4\uff0c\u8981\u4e48163\uff0c\u8981\u4e48qq<\/p>\n\n\n\n

\u5206\u7ec4\u4f7f\u7528\u7684\u7b26\u53f7\u662f|\uff0c\u4e5f\u5c31\u662f\u7f16\u7a0b\u4e2d\u7684”\u4f4d\u6216”\u8fd0\u7b97\u7b26\uff0c\u8868\u793a\u9009\u62e9\u5176\u4e2d\u4e00\u4e2a\u3002<\/p>\n\n\n\n

\u4f7f\u7528|\u65f6\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u8303\u56f4\uff0c\u90a3\u4e48\u6574\u4e2aregex\u5206\u62102\u7ec4\uff0c\u6240\u4ee5\u901a\u5e38\u6211\u4eec\u6307\u5b9a\u4ece\u90a3\u5206\u7ec4\uff0c\u4f7f\u7528\uff08\uff09\u6307\u5b9a\uff0c\u4f8b\u5982<\/p>\n\n\n\n

re.match(r\"xxx@(163|qq)\\.com\", xxx@qq.com)<\/code><\/pre>\n\n\n\n
\u5206\u7ec4\u540e\uff0c\u4e00\u65e6\u8868\u8fbe\u5f0f\u5339\u914d\u6210\u529f\uff0c\u5c31\u53ef\u4ee5\u53d6\u51fa\u5206\u7ec4\u540e\u7684\u5185\u5bb9\uff0c\u5047\u8bbe\u4e0a\u9762re.match\u7684\u8fd4\u56de\u503c\u4e3aresult\uff0c\u5219<\/p>\n\n\n\n
result.group(1)  # qq<\/code><\/pre>\n\n\n\n
\u5728\u4f7f\u7528group\u51fd\u6570\u65f6\uff0c\u6307\u5b9anum\u5c31\u53ef\u4ee5\u53d6\u51fa\u6307\u5b9a\u5206\u7ec4\u7684\u5185\u5bb9\uff0c1\u8868\u793a\u7b2c\u4e00\u4e2a\u5206\u7ec4\uff0c\u4e5f\u5c31\u662f\u4ece\u5de6\u5230\u53f3\u7b2c\u4e00\u4e2a\u5c0f\u62ec\u53f7\uff08\uff09<\/p>\n\n\n\n
\u8fd9\u610f\u5473\u7740\uff0c\u5206\u7ec4\u53ef\u4ee5\u53d6\u51fa\u8be5\u5206\u7ec4\u7684\u503c\uff0c\u751a\u81f3\u5728\u5339\u914d\u4e2d\u5c31\u80fd\u4f7f\u7528\uff0c\u4f8b\u5982<h1><\/h1>\u6807\u7b7e\u7684\u5339\u914d\uff0c\u5bf9\u8d77\u59cb\u6807\u7b7e\u8fdb\u884c\u5206\u7ec4\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u77e5\u9053\u5b83\u662fh1\uff0c\u5728\u540e\u7eed\u5982\u679c\u662f\/h1\u5219\u8bf4\u660e\u914d\u5bf9\uff0c\u53ef\u4ee5\u901a\u8fc7\\num\u5b9e\u73b0<\/p>\n\n\n\n
re.match(r\"<(\\w*)>.*<\/\\1>)\", \"<h1>abc<\/h1>\"))<\/code><\/pre>\n\n\n\n
\u968f\u7740\u5206\u7ec4\u8d8a\u6765\u8d8a\u591a\uff0c\u7b80\u5355\u4f7f\u7528()\u4ee5\u53ca\\num\u53ef\u80fd\u4e0d\u592a\u65b9\u4fbf\uff0c\u4e8e\u662f\u53ef\u4ee5\u7ed9\u5206\u7ec4\u8d77\u522b\u540d(?P<name>)\uff0c\u4ee5\u53ca\u53ef\u4ee5\u53d6\u4ee3\\num\u7684\u522b\u540d\u5f15\u7528(?P=name))<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u8282\u4ecb\u7ecdpython\u4e0e\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regex\uff09\u7684\u5206\u7ec4 | \u5339\u914d\u5de6\u53f3\u4efb\u610f\u4e00\u4e2a\u8868\u8fbe\u5f0f (ab) \u5c06\u62ec\u53f7\u4e2d\u5b57\u7b26\u4f5c\u4e3a\u4e00… \u7ee7\u7eed\u9605\u8bfb python\u4e4bregex\u5206\u7ec4<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/178"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/comments?post=178"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/178\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/media?parent=178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/categories?post=178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/tags?post=178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}