{"id":30,"date":"2013-02-20T17:27:10","date_gmt":"2013-02-20T09:27:10","guid":{"rendered":"http:\/\/www.yeetrack.com\/post\/2013-02-20\/java%E4%BD%BF%E7%94%A8%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F"},"modified":"2013-09-27T22:36:57","modified_gmt":"2013-09-27T14:36:57","slug":"java%e4%bd%bf%e7%94%a8%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.yeetrack.com\/?p=30","title":{"rendered":"java\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f"},"content":{"rendered":"<p>\u5728java\u4e2d\u8981\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u9700\u8981\u7528\u5230Pattern\u7c7b\u548cMatcher\u7c7b\uff0c\u4e24\u4e2a\u7c7b\u90fd\u5728java.util.regex\u5305\u4e2d\u5b9a\u4e49\u3002Pattern\u7c7b\u7528\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u89c4\u8303\uff0cMatcher\u7c7b\u7528\u4e8e\u6267\u884c\u6b63\u5219\u89c4\u8303\u3002<\/p>\n<p><!--more--><\/p>\n<pre config=\"brush:java;toolbar:false;\">        String str = &quot;1899-09-23&quot;;\n        String pat = &quot;\\d{4}-\\d{2}-\\d{2}&quot;;\n        \/\/\u5b9e\u4f8b\u5316Pattern\u7c7b\n        Pattern p = Pattern.compile(pat);\n        \/\/\u5b9e\u4f8b\u5316Matcher\u7c7b\n        Matcher m = p.matcher(str);\n        \/\/\u6267\u884c\u5339\u914d\n        if(m.matches())\n        {\n            System.out.println(&quot;true&quot;);\n        }\n        else {\n            System.out.println(&quot;false&quot;);\n        }<\/pre>\n<p>\u8fd8\u53ef\u4ee5\u5229\u7528Pattern\u7c7b\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u62c6\u5206\u3002<\/p>\n<pre config=\"brush:java;toolbar:false;\">        String pat = &quot;\\d+&quot;;\n        String str = &quot;A1213B4534C4533D578&quot;;\n        Pattern p = Pattern.compile(pat);\n        String[] sp = p.split(str);\n        \/\/\u62c6\u5206\u5b57\u7b26\u4e32\n        for(int i=0;i&lt;=sp.length-1;i++)\n            System.out.print(sp[i]);<\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1aABCD<\/p>\n<p>Pattern\u8fd8\u63d0\u4f9b\u5b57\u7b26\u4e32\u66ff\u6362\u529f\u80fd\uff1a<\/p>\n<pre config=\"brush:java;toolbar:false;\">String pat = &quot;\\d+&quot;;\n        String str = &quot;A1213B4534C4533D578&quot;;\n        Pattern p = Pattern.compile(pat);\n      \n        Matcher m = p.matcher(str);\n        \/\/\u5c06\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5730\u65b9\u66ff\u6362\u6210_\n        System.out.println(m.replaceAll(&quot;_&quot;));<\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1aA_B_C_D_<\/p>\n<p>\u5176\u5b9eString\u672c\u8eab\u5c31\u63d0\u4f9b\u6b63\u5728\u8868\u8fbe\u5f0f\u529f\u80fd\uff0c\u5f88\u65b9\u4fbf\u4e0d\u7528\u518d\u521d\u59cb\u5316Pattern\u548cMatcher\u7c7b\u3002<\/p>\n<pre config=\"brush:java;toolbar:false;\">System.out.println(&quot;1234-23&quot;.matches(&quot;\\d{4}-\\d{2}&quot;));<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728java\u4e2d\u8981\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u9700\u8981\u7528\u5230Pattern\u7c7b\u548cMatcher\u7c7b\uff0c\u4e24\u4e2a\u7c7b\u90fd\u5728java.util.regex\u5305\u4e2d\u5b9a\u4e49\u3002Pattern\u7c7b\u7528\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u89c4\u8303\uff0cMatcher\u7c7b\u7528\u4e8e\u6267\u884c\u6b63\u5219\u89c4\u8303\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[33],"tags":[8,7,5],"class_list":["post-30","post","type-post","status-publish","format-standard","hentry","category-coding","tag-java","tag-7","tag-5"],"views":2623,"_links":{"self":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30"}],"version-history":[{"count":2,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions"}],"predecessor-version":[{"id":349,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions\/349"}],"wp:attachment":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}