{"id":3306,"date":"2021-03-03T21:14:36","date_gmt":"2021-03-03T13:14:36","guid":{"rendered":"http:\/\/blog.ywdevops.cn\/?p=3306"},"modified":"2022-12-01T09:57:35","modified_gmt":"2022-12-01T01:57:35","slug":"python-13","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2021\/03\/03\/python-13\/","title":{"rendered":"python\u4e4b\u6b63\u5219\u8868\u8fbe\u5f0f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u68c0\u7d22\uff0c\u66ff\u6362\u3001\u5339\u914d\u9a8c\u8bc1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u7528\u7684\u5339\u914d\u89c4\u5219\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u6a21\u5f0f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u63cf\u8ff0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\w<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u4e0b\u5212\u7ebf<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\W<\/td><td class=\"has-text-align-center\" data-align=\"center\"> \u5339\u914d\u4e0d\u662f\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u4e0b\u5212\u7ebf <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\s<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4efb\u610f\u7a7a\u767d\u5b57\u7b26\uff0c\u7b49\u4ef7\u4e8e[\\t\\n\\r\\f]<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\S<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4efb\u610f\u975e\u7a7a\u5b57\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\d<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4efb\u610f\u6570\u5b57\uff0c\u7b49\u4ef7\u4e8e\u30100-9\u3011<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\D<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4efb\u610f\u975e\u6570\u5b57\u5b57\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\A<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u5b57\u7b26\u4e32\u5f00\u5934<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\Z<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u5b57\u7b26\u4e32\u7ed3\u5c3e\uff0c\u5982\u679c\u5b58\u5728\u6362\u884c\uff0c\u5219\u5339\u914d\u5230\u6362\u884c\u524d\u7684\u5b57\u7b26\u4e32<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\z<\/td><td class=\"has-text-align-center\" data-align=\"center\"> \u5339\u914d\u5b57\u7b26\u4e32\u7ed3\u5c3e\uff0c\u5982\u679c\u5b58\u5728\u6362\u884c\uff0c\u540c\u65f6\u8fd8\u4f1a\u5339\u914d\u6362\u884c\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\G<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u6700\u540e\u5b8c\u6210\u5339\u914d\u7684\u4f4d\u7f6e<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\n<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4e00\u4e2a\u6362\u884c\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\r<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4e00\u4e2a\u5236\u8868\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">^<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4e00\u884c\u5b57\u7b26\u4e32\u7684\u5f00\u5934<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">$<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4e00\u884c\u5b57\u7b26\u4e32\u7684\u7ed3\u5c3e<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">.<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4efb\u610f\u5b57\u7b26\uff0c\u9664\u4e86\u6362\u884c\u7b26\uff0c\u5982\u679c\u6807\u8bb0re.DOTALL\uff0c\u5219\u53ef\u4ee5\u5339\u914d\u6362\u884c\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">[&#8230;]<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8868\u793a\u4e00\u7ec4\u5b57\u7b26\uff0c\u5355\u72ec\u5217\u51fa\uff0c\u6bd4\u5982[amk]\uff0c\u5339\u914da\u3001m\u6216k<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">[^&#8230;]<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u4e0d\u5728[]\u4e2d\u7684\u5185\u5bb9\uff0c\u5982[^abc]\u8868\u793a\u5339\u914d\u9664\u4e86abc\u4e4b\u5916\u7684\u5b57\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">*<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d0\u4e2a\u6216\u8005\u591a\u4e2a\u8868\u8fbe\u5f0f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">+<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d1\u4e2a\u6216\u8005\u591a\u4e2a\u8868\u8fbe\u5f0f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">?<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d0\u4e2a\u62161\u4e2a\u524d\u9762\u7684\u6b63\u5219\u5b9a\u4e49\u7684\u7247\u6bb5\uff0c\u975e\u8d2a\u5a6a\u65b9\u5f0f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">{n}<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7cbe\u786e\u5339\u914dn\u4e2a\u524d\u9762\u7684\u8868\u8fbe\u5f0f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">a|b<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914da\u6216b<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\uff08\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u62ec\u53f7\u5185\u7684\u8868\u8fbe\u5f0f\uff0c\u4e5f\u8868\u793a\u4e00\u4e2a\u7ec4<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">{n,m}<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914dn\u5230m\u6b21\u7531\u524d\u9762\u6b63\u5219\u5b9a\u4e49\u7684\u7247\u6bb5\uff0c\u8d2a\u5a6a\u65b9\u5f0f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">python\u4e2d\u7684re\u5e93\u63d0\u4f9b\u4e86\u6574\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5b9e\u73b0\uff0c\u4e0b\u9762\u8bf4\u4e0b\u5e38\u7528\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>1\u3001match()\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5411match()\u65b9\u6cd5\u4f20\u5165\u8981\u5339\u914d\u7684\u5b57\u7b26\u4e32\u4ee5\u53ca\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u5c31\u53ef\u4ee5\u68c0\u9a8c\u8fd9\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u5426\u5339\u914d\u5b57\u7b26\u4e32<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">match()\u65b9\u6cd5\u4f1a\u5c1d\u8bd5\u4ece\u5b57\u7b26\u4e32\u7684\u8d77\u59cb\u4f4d\u7f6e\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u5982\u679c\u5339\u914d\uff0c\u8fd4\u56de\u5339\u914d\u6210\u529f\u540e\u7684\u7ed3\u679c\uff0c\u5982\u679c\u4e0d\u5339\u914d\uff0c\u8fd4\u56deNone\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"641\" height=\"225\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/31-2.png\" alt=\"\" class=\"wp-image-3308\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/31-2.png 641w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/31-2-300x105.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/31-2-600x211.png 600w\" sizes=\"auto, (max-width: 641px) 100vw, 641px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cmatch()\u65b9\u6cd5\u4e2d\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u5165\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u5165\u4e86\u8981\u5339\u914d\u7684\u5b57\u7b26\u4e32\uff0c\u9996\u5148\u58f0\u660e\u5b57\u7b26\u4e32content,\u91cc\u9762\u5305\u542b\u5b57\u6bcd\u3001\u7a7a\u683c\u3001\u6570\u5b57\uff0cmatch()\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u6b63\u5219\uff0c^hello\u8868\u793a\u5339\u914d\u4ee5hello\u5f00\u5934\uff0c\\s\u8868\u793a\u5339\u914d\u4e00\u4e2a\u7a7a\u683c\uff0c\\d\\d\\d\u8868\u793a\u5339\u914d\u4e09\u4e2a\u6570\u5b57\uff0c\u518d\u5199\u4e00\u4e2a\\s\u8868\u793a\u5339\u914d\u4e00\u4e2a\u7a7a\u683c\uff0c\\d{4}\u8868\u793a\u5339\u914d4\u4e2a\u6570\u5b57\uff0c\u5728\u901a\u8fc7\\s\u5339\u914d\u7a7a\u683c\uff0c\u6700\u540e\u901a\u8fc7\\w{5}\u5339\u914d5\u4e2a\u5b57\u6bcd<\/p>\n\n\n\n<p class=\"has-background has-luminous-vivid-amber-background-color wp-block-paragraph\">\u6ce8\u610f\uff1a\\d\\d\\d  \u4e5f\u53ef\u4ee5\u901a\u8fc7\\d{3}\u7684\u5f62\u5f0f\u4e66\u5199\uff0c\u66f4\u52a0\u7b80\u5355\u65b9\u4fbf\uff0c\u8fd8\u53ef\u4ee5\u5199\u6210\\d+\u8868\u793a\u5339\u914d1\u4e2a\u6216\u8005\u591a\u4e2a\\d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7801\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"754\" height=\"165\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/32-2.png\" alt=\"\" class=\"wp-image-3309\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/32-2.png 754w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/32-2-300x66.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/32-2-600x131.png 600w\" sizes=\"auto, (max-width: 754px) 100vw, 754px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5370\u7ed3\u679c\u4e2d\uff0c\u7b2c\u4e00\u884c\u4e3a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u7b2c\u4e8c\u884c\u8868\u793amatch()\u65b9\u6cd5\u7ed3\u679c\u4e3aSRE_MATCH\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u5339\u914d\u5185\u5bb9\u4ee5\u53ca\u5339\u914d\u8303\u56f4\uff0c\u7b2c\u4e09\u884c\u4e3agroup()\u65b9\u6cd5\u5339\u914d\u7684\u5185\u5bb9\uff0c\u7b2c\u56db\u884c\u4e3aspan()\u65b9\u6cd5\u5339\u914d\u7684\u8303\u56f4\uff0c\u4e5f\u5c31\u662f\u5b57\u7b26\u4e32\u7684\u957f\u5ea6<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>\u5339\u914d\u76ee\u6807<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u901a\u8fc7match()\u65b9\u6cd5\u83b7\u5f97\u4e86\u5339\u914d\u7684\u5b57\u7b26\u4e32\u5185\u5bb9\uff0c\u5982\u679c\u60f3\u4ece\u6b64\u5185\u5bb9\u4e2d\u63d0\u53d6\u4e00\u90e8\u5206\u5185\u5bb9\uff0c\u5e94\u8be5\u600e\u4e48\u529e\u5462\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528()\u62ec\u53f7\u5c06\u60f3\u8981\u63d0\u53d6\u7684\u7684\u5b50\u5b57\u7b26\u4e32\u62ec\u8d77\u6765\uff0c\uff08\uff09\u5b9e\u9645\u4e0a\u6807\u8bb0\u4e86\u4e00\u4e2a\u5b50\u8868\u8fbe\u5f0f\u7684\u5f00\u59cb\u548c\u7ed3\u675f\u4f4d\u7f6e\uff0c\u88ab\u6807\u8bb0\u7684\u6bcf\u4e2a\u5b50\u8868\u8fbe\u5f0f\u4f1a\u4f9d\u6b21\u5bf9\u5e94\u6bcf\u4e00\u4e2a\u5206\u7ec4\uff0c\u7136\u540e\u8c03\u7528group()\u65b9\u6cd5\u4f20\u5165\u5206\u7ec4\u7684\u7d22\u5f15\u5373\u53ef\u83b7\u5f97\u63d0\u53d6\u7ed3\u679c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"608\" height=\"249\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/33-3.png\" alt=\"\" class=\"wp-image-3313\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/33-3.png 608w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/33-3-300x123.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/33-3-600x246.png 600w\" sizes=\"auto, (max-width: 608px) 100vw, 608px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-luminous-vivid-amber-background-color wp-block-paragraph\">\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u5339\u914d\u6570\u5b57\u7684\\d+\u7528()\u6807\u8bb0\u8d77\u6765\u4e86\uff0c\u6b64\u65f6\u5bf9\u5e94\u7684\u5206\u7ec4\u7d22\u5f15\u4e3a1\u53f7\u5206\u7ec4\uff0c\u5982\u679c\u540e\u9762\u8fd8\u6709\u591a\u4e2a\u6807\u8bb0\uff0c\u5219\u5bf9\u5e942\u53f7\u5206\u7ec4\uff0c3\u53f7\u5206\u7ec4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7801\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"704\" height=\"233\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/34-3.png\" alt=\"\" class=\"wp-image-3314\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/34-3.png 704w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/34-3-300x99.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/34-3-600x199.png 600w\" sizes=\"auto, (max-width: 704px) 100vw, 704px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u679c\u53ef\u4ee5\u770b\u51fagroup(1)\u6210\u529f\u63d0\u53d6\u4e86\u5b57\u7b26\u4e32\u5185\u5bb9\uff0cgroup()\u4f1a\u8f93\u51fa\u5b8c\u6574\u7684\u5339\u914d\u5185\u5bb9\uff0cgroup(1)\u5219\u53ef\u4ee5\u5728\u6b64\u5185\u5bb9\u57fa\u7840\u4e0a\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32\uff0c\u4e5f\u5c31\u662f\u88ab()\u6807\u8bb0\u7684\u5185\u5bb9\uff0c\u5982\u679c\u6b63\u5219\u8868\u8fbe\u5f0f\u540e\u9762\u8fd8\u6709()\u6807\u8bb0\u7684\u5185\u5bb9\uff0c\u90a3\u4e48\u4f9d\u6b21\u7528group(2)\u3001group(3)\u7b49\u6765\u83b7\u53d6\u5373\u53ef<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>\u901a\u7528\u5339\u914d<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u5199\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6bd4\u8f83\u590d\u6742\uff0c\u51fa\u73b0\u7a7a\u767d\u5b57\u7b26\u5c31\u7528\\s\u5339\u914d\uff0c\u51fa\u73b0\u6570\u5b57\u5c31\u7528\\d\u5339\u914d\uff0c\u8fd9\u6837\u5199\u6bd4\u8f83\u590d\u6742\uff0c\u8fd8\u6709\u4e00\u4e2a\u4e07\u80fd\u5339\u914d\uff0c\u53ef\u4ee5\u7528.*(\u70b9\u548c\u661f)\uff0c\u5176\u4e2d.(\u70b9)\u53ef\u4ee5\u5339\u914d\u4efb\u610f\u5b57\u7b26(\u9664\u4e86\u6362\u884c\u7b26)\uff0c*(\u661f)\u8868\u793a\u5339\u914d\u524d\u9762\u7684\u5b57\u7b26\u65e0\u9650\u6b21\uff0c\u6240\u4ee5\u4ed6\u4eec\u7ec4\u5408\u4e00\u8d77\u53ef\u4ee5\u5339\u914d\u4efb\u610f\u5b57\u7b26<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fee\u6539\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c\u901a\u8fc7.*\u6765\u8fdb\u884c\u5339\u914d\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"226\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/35-3.png\" alt=\"\" class=\"wp-image-3317\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/35-3.png 576w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/35-3-300x118.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u7684\u6b63\u5219\u8868\u793a\u5339\u914d\u4ee5hello\u5f00\u5934\uff0cshijie\u7ed3\u5c3e\uff0c\u4e2d\u95f4\u5339\u914d\u4efb\u610f\u5b57\u7b26\u7684\u5185\u5bb9<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>\u8d2a\u5a6a\u548c\u975e\u8d2a\u5a6a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u4e0a\u9762\u7684.*\u5339\u914d\u65f6\uff0c\u6709\u65f6\u5019\u5339\u914d\u5230\u7684\u53ef\u80fd\u5e76\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\u7ed3\u679c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"225\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/36-1.png\" alt=\"\" class=\"wp-image-3318\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/36-1.png 576w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/36-1-300x117.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u6b63\u5219\u5339\u914d\u4f7f\u7528()\u6807\u8bb0\u4e86\u4e00\u4e2a\u5b50\u8868\u8fbe\u5f0f\u7528\u6765\u5339\u914d\u6570\u5b57\uff0c\u5176\u4f59\u90e8\u4f4d\u7528.*\u5339\u914d\u4efb\u610f\u5b57\u7b26\uff0c\u7136\u540e\u4ee5shijie\u7ed3\u5c3e\uff0c\u5728\u901a\u8fc7group(1) \u6253\u5370\u63d0\u53d6\u5185\u5bb9\u65f6\u5f97\u5230\u7684\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"561\" height=\"174\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/37-2.png\" alt=\"\" class=\"wp-image-3319\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/37-2.png 561w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/37-2-300x93.png 300w\" sizes=\"auto, (max-width: 561px) 100vw, 561px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5339\u914d\u7684\u7ed3\u679c\u4e3a7\uff0c\u4e0e\u539f\u8ba1\u5212\u76841234567\u4e0d\u7b26\u5408\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f\u8fd9\u91cc\u5c31\u6d89\u53ca\u5230\u4e00\u4e2a\u8d2a\u5a6a\u5339\u914d\u4e0e\u975e\u8d2a\u5a6a\u5339\u914d\u7684\u95ee\u9898\uff0c<strong>\u5728\u8d2a\u5a6a\u5339\u914d\u6a21\u5f0f\u4e0b\uff0c.*\u4f1a\u5339\u914d\u5c3d\u53ef\u80fd\u591a\u7684\u5b57\u7b26<\/strong>\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d.*\u540e\u9762\u662f\\d+\u4e5f\u5c31\u662f\u81f3\u5c11\u5339\u914d\u4e00\u4e2a\u6570\u5b57\uff0c\u5e76\u6ca1\u6709\u6307\u5b9a\u5177\u4f53\u591a\u5c11\u4e2a\u6570\u5b57\uff0c\u56e0\u6b64\uff0c.*\u5c31\u5c3d\u53ef\u80fd\u5339\u914d\u591a\u7684\u5b57\u7b26\uff0c\u8fd9\u91cc\u5c31\u5c06123456\u5339\u914d\u4e86\uff0c\u7ed9\\d+\u7559\u4e0b\u4e00\u4e2a\u53ef\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u5b577\uff0c\u56e0\u6b64\u6700\u540e\u5f97\u5230\u7684\u5185\u5bb9\u5c31\u662f\u6570\u5b577<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u4f7f\u7528\u975e\u8d2a\u5a6a\u5339\u914d\u53ef\u4ee5\u51c6\u786e\u7684\u83b7\u53d6\u5230\u6211\u4eec\u60f3\u8981\u7684\u5185\u5bb9\uff0c\u975e\u8d2a\u5a6a\u5339\u914d\u7684\u5199\u6cd5\u4e3a.*?\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u770b\u540e\u9762.*\u540e\u9762\u591a\u4e86\u4e00\u4e2a\u95ee\u53f7\uff0c\u901a\u8fc7\u4e0b\u9762\u7684\u5b9e\u4f8b\u4f53\u9a8c\u4e0b\u529f\u80fd\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"575\" height=\"227\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/38-2.png\" alt=\"\" class=\"wp-image-3320\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/38-2.png 575w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/38-2-300x118.png 300w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5728.*\u540e\u9762\u52a0\u4e86\u4e00\u4e2a?\u5373\u4e3a\u975e\u8d2a\u5a6a\u6a21\u5f0f\u5339\u914d\uff0c\u6253\u5370\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"554\" height=\"161\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/39-2.png\" alt=\"\" class=\"wp-image-3321\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/39-2.png 554w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/39-2-300x87.png 300w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u6210\u529f\u6253\u5370\u4e86\u60f3\u8981\u7684\u7ed3\u679c\uff0c<strong>\u975e\u8d2a\u5a6a\u5339\u914d\u5c31\u662f\u5c3d\u53ef\u80fd\u5339\u914d\u5c11\u7684\u5b57\u7b26<\/strong>\uff0c\u5f53.*?\u5339\u914d\u5230hello\u540e\u9762\u7684\u7a7a\u767d\u5b57\u7b26\u65f6\uff0c\u5728\u5f80\u540e\u5c31\u662f\u6570\u5b57\u4e86\uff0c\u800c\\d+\u6070\u597d\u53ef\u4ee5\u5339\u914d\u6570\u5b57\uff0c\u6b64\u65f6.*?\u5c06\u4e0d\u4f1a\u8fdb\u884c\u5339\u914d\uff0c\u800c\u662f\u4ea4\u7ed9\\d+\u6765\u5339\u914d\uff0c\u56e0\u6b64\u5f97\u5230\u7684\u7ed3\u679c\u6b63\u662f\u60f3\u8981\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u603b\u7ed3\uff1a\u5728\u505a\u5339\u914d\u7684\u65f6\u5019\uff0c\u5b57\u7b26\u4e32\u4e2d\u95f4\u5c3d\u91cf\u4f7f\u7528\u975e\u8d2a\u5a6a\u5339\u914d\uff0c\u4ee5\u514d\u51fa\u73b0\u5339\u914d\u7ed3\u679c\u7f3a\u5931\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e00\u79cd\u60c5\u51b5\u8981\u6ce8\u610f\uff1a\u5982\u679c\u5339\u914d\u7684\u7ed3\u679c\u5728\u5b57\u7b26\u4e32\u7ed3\u5c3e\uff0c\u4f7f\u7528.*?\u5c31\u6709\u53ef\u80fd\u5339\u914d\u4e0d\u5230\u4efb\u4f55\u5185\u5bb9\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"566\" height=\"250\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/40-1.png\" alt=\"\" class=\"wp-image-3323\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/40-1.png 566w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/40-1-300x133.png 300w\" sizes=\"auto, (max-width: 566px) 100vw, 566px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u4e24\u4e2a\u6b63\u5219\u90fd\u662f\u5339\u914dabc\uff0c\u4e00\u4e2a\u4f7f\u7528.*?\uff0c\u53e6\u4e00\u4e2a\u4f7f\u7528.*\uff0c\u4e0b\u9762\u901a\u8fc7group(1)\u8c03\u7528\u7684\u65f6\u5019\u53ef\u4ee5\u53d1\u73b0\uff0c\u901a\u8fc7.*?\u5339\u914d\u7684\u5185\u5bb9\u4e3a\u7a7a\uff0c\u56e0\u6b64\u975e\u8d2a\u5a6a\u5339\u914d\u5c3d\u53ef\u80fd\u5c11\u7684\u53bb\u5339\u914d\uff0c\u800c.*\u5c3d\u53ef\u80fd\u591a\u7684\u5339\u914d\uff0c\u56e0\u6b64\u53ef\u4ee5\u5339\u914d\u5230\uff0c\u6253\u5370\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"563\" height=\"151\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/41-1.png\" alt=\"\" class=\"wp-image-3324\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/41-1.png 563w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/02\/41-1-300x80.png 300w\" sizes=\"auto, (max-width: 563px) 100vw, 563px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>\u4fee\u9970\u7b26<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5305\u542b\u4e00\u4e9b\u53ef\u9009\u7684\u4fee\u9970\u7b26\u6765\u63a7\u5236\u5339\u914d\u7684\u6a21\u5f0f\uff0c\u4fee\u9970\u7b26\u88ab\u6307\u5b9a\u4e3a\u4e00\u4e2a\u53ef\u9009\u7684\u6807\u5fd7\uff0c\u4e0b\u9762\u4f8b\u5b50\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"574\" height=\"202\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/42.png\" alt=\"\" class=\"wp-image-3326\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/42.png 574w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/42-300x106.png 300w\" sizes=\"auto, (max-width: 574px) 100vw, 574px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\uff0c\u5728\u5b57\u7b26\u4e32\u4e2d\u52a0\u4e86\u6362\u884c\u7b26\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u4e0d\u53d8\uff0c\u7528\u6765\u5339\u914d\u6570\u5b57\uff0c\u6253\u5370\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"646\" height=\"211\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/43.png\" alt=\"\" class=\"wp-image-3327\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/43.png 646w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/43-300x98.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/43-600x196.png 600w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u8fd0\u884c\u76f4\u63a5\u62a5\u9519\uff0c\u56e0\u6b64&#8221;.&#8221;(\u70b9)\u5339\u914d\u7684\u662f\u9664\u4e86\u6362\u884c\u7b26\u4e4b\u5916\u7684\u4efb\u610f\u5b57\u7b26\uff0c\u5f53\u9047\u5230\u6362\u884c\u7b26\u7684\u65f6\u5019\uff0c.*?\u5c31\u4e0d\u80fd\u5339\u914d\u4e86\uff0c\u6240\u4ee5\u5bfc\u81f4\u5931\u8d25\uff0c\u6b64\u65f6\u53ef\u4ee5\u5728\u540e\u9762\u6dfb\u52a0\u4e00\u4e2a\u4fee\u9970\u7b26re.S\uff0c\u8fd9\u4e2a\u4fee\u9970\u7b26\u7684\u4f5c\u7528\u662f\u4f7f&#8221;.&#8221;\u5339\u914d\u5305\u62ec\u6362\u884c\u7b26\u5728\u5185\u7684\u6240\u6709\u5b57\u7b26\uff0c\u6dfb\u52a0\u540e&#8221;.&#8221;(\u70b9)\u5c31\u53ef\u4ee5\u5b8c\u6210\u6362\u884c\u5339\u914d\u4e86\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"197\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/44.png\" alt=\"\" class=\"wp-image-3328\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/44.png 620w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/44-300x95.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/44-600x191.png 600w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5370\u7ed3\u679c\u4e2d\u5373\u53ef\u770b\u5230\u5df2\u7ecf\u6b63\u786e\u5339\u914d\u4e86\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"545\" height=\"145\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/45.png\" alt=\"\" class=\"wp-image-3329\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/45.png 545w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/45-300x80.png 300w\" sizes=\"auto, (max-width: 545px) 100vw, 545px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd8\u6709\u4e00\u4e9b\u4fee\u9970\u7b26\uff0c\u5728\u9700\u8981\u7684\u60c5\u51b5\u4e0b\u4e5f\u53ef\u4ee5\u4f7f\u7528\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u4fee\u9970\u7b26<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u63cf\u8ff0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">re.I<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u5927\u5c0f\u5199\u4e0d\u654f\u611f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">re.L<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u505a\u672c\u5730\u5316\u8bc6\u522b(locale-aware)\u5339\u914d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">re.M<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u591a\u884c\u5339\u914d\uff0c\u5f71\u54cd^\u548c$<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">re.S<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4f7f.\u5339\u914d\u5305\u62ec\u6362\u884c\u7b26\u5728\u5185\u7684\u6240\u6709\u5b57\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">re.U<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u6839\u636eUnicode\u5b57\u7b26\u96c6\u89e3\u6790\u5b57\u7b26\uff0c\u8fd9\u4e2a\u6807\u5fd7\u5f71\u54cd\\w\u3001\\W\u3001\\b\u3001\\B<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">re.X<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7ed9\u4e0e\u66f4\u7075\u6d3b\u7684\u683c\u5f0f\u5c06\u6b63\u5219\u5199\u7684\u66f4\u6613\u4e8e\u7406\u89e3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>\u8f6c\u4e49\u5339\u914d<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u77e5\u9053&#8221;.&#8221;\u53ef\u4ee5\u5339\u914d\u9664\u4e86\u6362\u884c\u7b26\u4e4b\u5916\u7684\u6240\u6709\u5b57\u7b26\uff0c\u90a3\u4e48\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5305\u542b&#8221;.&#8221;\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u4e86\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"166\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/1.png\" alt=\"\" class=\"wp-image-3332\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/1.png 562w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/1-300x89.png 300w\" sizes=\"auto, (max-width: 562px) 100vw, 562px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u901a\u8fc7\u8f6c\u4e49\u5b57\u7b26\u5df2\u7ecf\u6210\u529f\u5339\u914d\u5230\u4e86\u5185\u5bb9<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>2\u3001search()<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">match()\u65b9\u6cd5\u662f\u4ece\u5b57\u7b26\u4e32\u7684\u5f00\u5934\u5f00\u59cb\u5339\u914d\u7684\uff0c\u4e00\u65e6\u5f00\u5934\u4e0d\u5339\u914d\uff0c\u90a3\u4e48\u6574\u4e2a\u5339\u914d\u5c31\u5931\u8d25\u4e86\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"187\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/2.png\" alt=\"\" class=\"wp-image-3333\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/2.png 568w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/2-300x99.png 300w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u4f7f\u7528match()\u51fd\u6570\uff0c\u6b63\u5219\u4ecebig\u5f00\u59cb\u5339\u914d\uff0c\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"551\" height=\"103\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/3.png\" alt=\"\" class=\"wp-image-3334\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/3.png 551w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/3-300x56.png 300w\" sizes=\"auto, (max-width: 551px) 100vw, 551px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa\uff0c\u4ece\u4e2d\u95f4\u5339\u914d\u4e0d\u6210\u529f\uff0c\u8fd4\u56de\u7ed3\u679c\u4e3aNone\uff0c<strong>\u56e0\u6b64match()\u65b9\u6cd5\u66f4\u9002\u5408\u7528\u6765\u68c0\u6d4b\u67d0\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u7b26\u5408\u67d0\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u89c4\u5219<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">search()\u65b9\u6cd5\u5728\u5339\u914d\u7684\u65f6\u5019\u4f1a\u626b\u63cf\u8fd9\u4e2a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u8fd4\u56de\u7b2c\u4e00\u4e2a\u6210\u529f\u5339\u914d\u7684\u7ed3\u679c\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\uff0c\u5339\u914d\u7684\u65f6\u5019\uff0csearch()\u65b9\u6cd5\u4f1a\u4f9d\u6b21\u626b\u63cf\u5b57\u7b26\u4e32\uff0c\u76f4\u5230\u627e\u5230\u7b2c\u4e00\u4e2a\u7b26\u5408\u89c4\u5219\u7684\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u8fd4\u56de\u5339\u914d\u5185\u5bb9\uff0c\u5982\u679c\u641c\u7d22\u5b8c\u4e86\u8fd8\u6ca1\u627e\u5230\uff0c\u5c31\u8fd4\u56deNone\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\u7684match()\u65b9\u6cd5\u4fee\u6539\u4e3asearch()\u65b9\u6cd5\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"567\" height=\"162\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/4.png\" alt=\"\" class=\"wp-image-3336\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/4.png 567w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/4-300x86.png 300w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7801\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff0c\u5df2\u7ecf\u6210\u529f\u6253\u5370\u51fa\u7ed3\u679c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"611\" height=\"152\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5.png\" alt=\"\" class=\"wp-image-3337\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5.png 611w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5-300x75.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2021\/03\/5-600x149.png 600w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3\u3001findall()<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u4ecb\u7ecd\u4e86search()\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u8fd4\u56de\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684<strong>\u7b2c\u4e00\u4e2a\u5185\u5bb9\uff0c<\/strong>\u4f46\u662f\u5982\u679c\u8981\u83b7\u5f97<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u68c0\u7d22\uff0c\u66ff\u6362\u3001\u5339\u914d\u9a8c\u8bc1 \u5e38\u7528\u7684\u5339\u914d\u89c4\u5219\u5982\u4e0b\uff1a \u6a21\u5f0f \u63cf\u8ff0 \\w [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3340,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,29],"tags":[],"class_list":["post-3306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-yunwei"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/3306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=3306"}],"version-history":[{"count":14,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/3306\/revisions"}],"predecessor-version":[{"id":3983,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/3306\/revisions\/3983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/3340"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=3306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=3306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=3306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}