{"id":463,"date":"2023-02-13T15:50:09","date_gmt":"2023-02-13T07:50:09","guid":{"rendered":"https:\/\/www.gladguang.cn\/?p=463"},"modified":"2023-02-13T15:50:09","modified_gmt":"2023-02-13T07:50:09","slug":"%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8fregexp","status":"publish","type":"post","link":"https:\/\/www.gladguang.cn\/index.php\/2023\/02\/13\/%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8fregexp\/","title":{"rendered":"\u6b63\u5219\u8868\u8fbe\u5f0f(regexp)"},"content":{"rendered":"

\u57fa\u672c\u8bed\u6cd5<\/h3>\n

\u8303\u56f4\u5339\u914d<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
\u6b63\u5219\u8868\u8fbe\u5f0f<\/th>\n\u8bf4\u660e<\/th>\n\u6b63\u786e<\/th>\n\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n
A<\/td>\n\u7cbe\u786e\u5339\u914d\u5355\u4e2a\u5b57\u7b26<\/td>\nA<\/td>\na<\/td>\n<\/tr>\n
x|y<\/td>\n\u5141\u8bb8\u51fa\u73b0\u4e24\u4e2a\u5b57\u7b26<\/td>\ny<\/td>\nn<\/td>\n<\/tr>\n
[xyz]<\/td>\n\u5b57\u7b26\u96c6\u5408\uff0c\u5141\u8bb8\u51fa\u73b0\u96c6\u5408\u5185\u4efb\u610f\u5355\u4e2a\u5b57\u7b26<\/td>\nz<\/td>\nC<\/td>\n<\/tr>\n
[a-z] [A-Z] [0-9]<\/td>\n\u5b57\u7b26\u8303\u56f4<\/td>\na D 8<\/td>\nA a A<\/td>\n<\/tr>\n
[^xyz] [^0-9]<\/td>\n\u96c6\u5408\u5185\u5b57\u7b26\u4e0d\u5141\u8bb8\u51fa\u73b0<\/td>\nD A<\/td>\ny 8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5143\u5b57\u7b26<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u6b63\u5219\u8868\u8fbe\u5f0f<\/th>\n\u8bf4\u660e<\/th>\n\u6b63\u786e<\/th>\n\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n
\d<\/td>\n\u5339\u4efb\u610f\u5355\u4e2a\u6570\u5b57<\/td>\n8<\/td>\np<\/td>\n<\/tr>\n
\D<\/td>\n\u5339\u914d\d\u89c4\u5219\u4e4b\u5916\u7684\u4efb\u610f\u5b57\u7b26<\/td>\ni<\/td>\n8<\/td>\n<\/tr>\n
\w<\/td>\n\u5339\u914d\u4efb\u610f\u5355\u4e2a\u5b57\u6bcd\u6570\u5b57\u4e0b\u5212\u7ebf<\/td>\nY<\/td>\n&<\/td>\n<\/tr>\n
\W<\/td>\n\u5339\u914d\w\u4e4b\u5916\u4efb\u610f\u5355\u4e2a\u5b57\u7b26<\/td>\n&<\/td>\nx<\/td>\n<\/tr>\n
\s<\/td>\n\u5339\u914d\u5355\u4e2a\u7a7a\u683c<\/td>\n<\/td>\nx<\/td>\n<\/tr>\n
\n<\/td>\n\u5339\u914d\u5355\u4e2a\u6362\u884c\u7b26<\/td>\n<\/td>\na<\/td>\n<\/tr>\n
.<\/strong><\/td>\n\u5339\u914d\u4efb\u610f\u5355\u4e2a\u5b57\u7b26(\u6362\u884c\u7b26\u9664\u5916)<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
\.<\/strong><\/td>\n\u53ea\u5339\u914d\u7279\u6b8a\u5b57\u7b26.<\/strong><\/td>\n.<\/strong><\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u591a\u6b21\u91cd\u590d\u5339\u914d<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
\u6b63\u5219\u8868\u8fbe\u5f0f<\/th>\n\u8bf4\u660e<\/th>\n\u6b63\u786e<\/th>\n\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n
A{3}<\/td>\n\u7cbe\u51c6N\u6b21\u5339\u914d<\/td>\nAAA<\/td>\nAA<\/td>\n<\/tr>\n
A{3.}<\/td>\n\u6700\u5c11\u51fa\u73b0N\u6b21<\/td>\nAAA<\/td>\nAA<\/td>\n<\/tr>\n
\d{3,5}<\/td>\n\u7ea6\u5b9a\u51fa\u73b0\u6700\u5c11\u51fa\u73b03\u6b21\u6700\u591a\u51fa\u73b05\u6b21<\/td>\n1234<\/td>\n12<\/td>\n<\/tr>\n
\d*<\/td>\n\u53ef\u4ee5\u51fa\u73b0\u96f6\u6b21\u81f3\u65e0\u9650\u6b21 \u76f8\u5f53\u4e8e{0,}<\/td>\n123<\/td>\n—<\/td>\n<\/tr>\n
\d+<\/td>\n\u81f3\u5c11\u51fa\u73b0\u4e00\u6b21 \u76f8\u5f53\u4e8e {1.}<\/td>\n12<\/td>\n<\/td>\n<\/tr>\n
\d?<\/td>\n\u6700\u591a\u51fa\u73b0\u4e00\u6b21 \u76f8\u5f53\u4e8e {0\uff0c1}<\/td>\n1<\/td>\n12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5b9a\u4f4d\u5339\u914d<\/strong><\/p>\n\n\n\n\n\n\n\n
\u6b63\u5219\u8868\u8fbe\u5f0f<\/th>\n\u8bf4\u660e<\/th>\n\u6b63\u786e<\/th>\n\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n
^A.*<\/td>\n\u5934\u5339\u914d<\/td>\nABC<\/td>\nCBA<\/td>\n<\/tr>\n
.*A$<\/td>\n\u5c3e\u5339\u914d<\/td>\nABC<\/td>\nCBA<\/td>\n<\/tr>\n
^A.*C$<\/td>\n\u5934\u5c3e\u5339\u914d<\/td>\nABC<\/td>\nCBA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8868\u8fbe\u5f0f\u5206\u7ec4<\/strong><\/p>\n

    \n
  • \u5206\u7ec4\u5c06\u6b63\u5219\u5206\u7ec4\u4e3a\u591a\u4e2a\u5b50\u8868\u8fbe\u5f0f<\/li>\n
  • \u793a\u4f8b\uff1aabababababababcdcd<\/li>\n
  • \u6b63\u5219\u8868\u8fbe\u5f0f\uff1a(ab){3}(cd){3}<\/li>\n<\/ul>\n

    \u975e\u8d2a\u5a6a\u6a21\u5f0f<\/strong><\/p>\n

      \n
    • \u5728\u6ee1\u8db3\u60c5\u51b5\u4e0b\u5c3d\u53ef\u80fd\u5c11\u7684\u5339\u914d\u5b57\u7b26\u4e32<\/li>\n
    • \u793a\u4f8b\uff1a11122333<\/li>\n
    • \u6b63\u5219\uff1a\d{6,8}?<\/li>\n<\/ul>\n
      \/\/\u4e2d\u6587\u5b57\u7b26\u7f16\u7801\u8303\u56f4\uff1a\nu4e00-u9fa5\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
      \u6b63\u5219\u8868\u8fbe\u5f0f(regexp)\u57fa\u7840\u8bed\u6cd5<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59,64,44],"tags":[29,32],"class_list":["post-463","post","type-post","status-publish","format-standard","hentry","category-59","category-64","category-markdown","tag-29","tag-32"],"_links":{"self":[{"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/posts\/463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/comments?post=463"}],"version-history":[{"count":1,"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/posts\/463\/revisions"}],"predecessor-version":[{"id":464,"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/posts\/463\/revisions\/464"}],"wp:attachment":[{"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/media?parent=463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/categories?post=463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gladguang.cn\/index.php\/wp-json\/wp\/v2\/tags?post=463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}