{"id":66732,"date":"2025-05-03T08:07:25","date_gmt":"2025-05-03T00:07:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66732\/"},"modified":"2025-05-03T08:07:25","modified_gmt":"2025-05-03T00:07:25","slug":"java%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e6%80%8e%e4%b9%88%e9%aa%8c%e8%af%81%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66732\/","title":{"rendered":"JAVA\u6b63\u5219\u8868\u8fbe\u5f0f\u600e\u4e48\u9a8c\u8bc1\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u6ca1\u6709\u4e13\u95e8\u7528\u4e8e\u9a8c\u8bc1\u6570\u7ec4\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u4f46\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9a8c\u8bc1\u6570\u7ec4\u5143\u7d20\u7684\u683c\u5f0f\uff1a^[((d+,s*)+d+)$\u3002\u8be5\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u5143\u7d20\u662f\u5426\u4e3a\u6570\u5b57\u5e76\u7528\u9017\u53f7\u5206\u9694\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111620463274383.jpg\" class=\"aligncenter\" title=\"JAVA\u6b63\u5219\u8868\u8fbe\u5f0f\u600e\u4e48\u9a8c\u8bc1\u6570\u7ec4\u63d2\u56fe\" alt=\"JAVA\u6b63\u5219\u8868\u8fbe\u5f0f\u600e\u4e48\u9a8c\u8bc1\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528 Java \u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u6570\u7ec4<\/strong><\/p>\n<p>Java \u4e2d\u6ca1\u6709\u4e13\u95e8\u7528\u4e8e\u9a8c\u8bc1\u6570\u7ec4\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u4f46\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u9017\u53f7\u5206\u9694\u7b26\u6765\u521b\u5efa\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u6765\u9a8c\u8bc1\u6570\u7ec4\u5143\u7d20\u7684\u683c\u5f0f\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre>^[((d+,s*)+d+)$<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u89e3\u91ca<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>^\uff1a\u5339\u914d\u5b57\u7b26\u4e32\u7684\u5f00\u5934\u3002<\/li>\n<li>[\uff1a\u5339\u914d\u6570\u7ec4\u7684\u5f00\u59cb\u3002<\/li>\n<li>(d+,s*)+\uff1a\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u5b57\uff0c\u540e\u9762\u8ddf\u4e00\u4e2a\u9017\u53f7\u548c\u53ef\u9009\u7684\u7a7a\u683c\u3002<\/li>\n<li>d+\uff1a\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u5b57\u3002<\/li>\n<li>s*\uff1a\u5339\u914d\u4efb\u610f\u6570\u91cf\u7684\u7a7a\u683c\u3002<\/li>\n<li>)\uff1a\u5339\u914d\u4e0a\u4e00\u4e2a\u5b50\u8868\u8fbe\u5f0f\u5e76\u5c06\u5176\u5206\u7ec4\u3002<\/li>\n<li>+\uff1a\u5339\u914d\u4e0a\u4e00\u4e2a\u5b50\u8868\u8fbe\u5f0f\u4e00\u6b21\u6216\u591a\u6b21\u3002<\/li>\n<li>d+$\uff1a\u5339\u914d\u6700\u540e\u4e00\u4e2a\u6570\u5b57\u3002<\/li>\n<li>]\uff1a\u5339\u914d\u6570\u7ec4\u7684\u7ed3\u675f\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<pre>String input = \"[1, 2, 3, 4]\";\nPattern pattern = Pattern.compile(\"^[((d+,s*)+d+)$\");\nMatcher matcher = pattern.matcher(input);\nSystem.out.println(matcher.matches()); \/\/ true<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bf4\u660e<\/strong><\/p>\n<ul>\n<li>Pattern.compile() \u7f16\u8bd1\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/li>\n<li>Matcher.matches() \u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4e0e\u6574\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f<\/strong><\/p>\n<p>\u6b64\u6b63\u5219\u8868\u8fbe\u5f0f\u53ea\u9a8c\u8bc1\u6570\u7ec4\u5143\u7d20\u662f\u5426\u4e3a\u6570\u5b57\uff0c\u5e76\u4e14\u5b83\u4eec\u662f\u5426\u7528\u9017\u53f7\u5206\u9694\u3002\u5b83\u4e0d\u9a8c\u8bc1\u6570\u7ec4\u662f\u5426\u6709\u6548\u6216\u5176\u5143\u7d20\u662f\u5426\u5408\u6cd5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u6b63\u5219\u8868\u8fbe\u5f0f\u600e\u4e48\u9a8c\u8bc1\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u6ca1\u6709\u4e13\u95e8\u7528\u4e8e\u9a8c\u8bc1\u6570\u7ec4\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u4f46\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9a8c\u8bc1\u6570\u7ec4\u5143\u7d20\u7684\u683c\u5f0f\uff1a^[((d+,s*)+d+)$\u3002\u8be5\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u5143\u7d20\u662f\u5426\u4e3a\u6570\u5b57\u5e76\u7528\u9017\u53f7\u5206\u9694\u3002 \u4f7f\u7528 Java \u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u6570\u7ec4 Java \u4e2d\u6ca1\u6709\u4e13\u95e8\u7528\u4e8e\u9a8c\u8bc1\u6570\u7ec4\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u4f46\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u9017\u53f7\u5206\u9694\u7b26\u6765\u521b\u5efa\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u6765\u9a8c\u8bc1\u6570\u7ec4\u5143\u7d20\u7684\u683c\u5f0f\u3002 \u8bed\u6cd5 ^[((d+,s*)+d+)$ \u767b\u5f55\u540e\u590d\u5236 \u89e3\u91ca \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b ^\uff1a\u5339\u914d\u5b57\u7b26\u4e32\u7684\u5f00\u5934\u3002 [\uff1a\u5339\u914d\u6570\u7ec4\u7684\u5f00\u59cb\u3002 (d+,s*)+\uff1a\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u5b57\uff0c\u540e\u9762\u8ddf\u4e00\u4e2a\u9017\u53f7\u548c\u53ef\u9009\u7684\u7a7a\u683c\u3002 d+\uff1a\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u5b57\u3002 s*\uff1a\u5339\u914d\u4efb\u610f\u6570\u91cf\u7684\u7a7a\u683c\u3002 )\uff1a\u5339\u914d\u4e0a\u4e00\u4e2a\u5b50\u8868\u8fbe\u5f0f\u5e76\u5c06\u5176\u5206\u7ec4\u3002 +\uff1a\u5339\u914d\u4e0a\u4e00\u4e2a\u5b50\u8868\u8fbe\u5f0f\u4e00\u6b21\u6216\u591a\u6b21\u3002 d+$\uff1a\u5339\u914d\u6700\u540e\u4e00\u4e2a\u6570\u5b57\u3002 ]\uff1a\u5339\u914d\u6570\u7ec4\u7684\u7ed3\u675f\u3002 \u793a\u4f8b String input = &#8220;[1, 2, 3, 4]&#8221;; Pattern pattern = Pattern.compile(&#8220;^[((d+,s*)+d+)$&#8221;); Matcher matcher = pattern.matcher(input); System.out.println(matcher.matches()); \/\/ true \u767b\u5f55\u540e\u590d\u5236 \u8bf4\u660e Pattern.compile() \u7f16\u8bd1\u6b63\u5219\u8868\u8fbe\u5f0f\u3002 Matcher.matches() \u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4e0e\u6574\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u3002 \u6ce8\u610f \u6b64\u6b63\u5219\u8868\u8fbe\u5f0f\u53ea\u9a8c\u8bc1\u6570\u7ec4\u5143\u7d20\u662f\u5426\u4e3a\u6570\u5b57\uff0c\u5e76\u4e14\u5b83\u4eec\u662f\u5426\u7528\u9017\u53f7\u5206\u9694\u3002\u5b83\u4e0d\u9a8c\u8bc1\u6570\u7ec4\u662f\u5426\u6709\u6548\u6216\u5176\u5143\u7d20\u662f\u5426\u5408\u6cd5\u3002 \u4ee5\u4e0a\u5c31\u662fJAVA\u6b63\u5219\u8868\u8fbe\u5f0f\u600e\u4e48\u9a8c\u8bc1\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-66732","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66732","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=66732"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66732\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}