{"id":2052,"date":"2015-03-28T17:21:15","date_gmt":"2015-03-28T09:21:15","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=2052"},"modified":"2015-03-28T17:21:15","modified_gmt":"2015-03-28T09:21:15","slug":"think%e5%a6%82%e4%bd%95%e5%86%99%e5%87%ba%e9%ab%98%e6%95%88%e7%8e%87%e7%9a%84%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/2052.html","title":{"rendered":"[think]\u5982\u4f55\u5199\u51fa\u9ad8\u6548\u7387\u7684\u6b63\u5219\u8868\u8fbe\u5f0f"},"content":{"rendered":"<p>\u5728\u901b\u201c<a href=\"http:\/\/iregex.org\/\" target=\"_blank\">\u6211\u7231\u6b63\u5219\u8868\u8fbe\u5f0f<\/a>\u201d\u65f6\u770b\u5230\u7684\u4e00\u7bc7\u6587\u7ae0\uff0c\u5199\u5f97\u771f\u597d\uff0c\u8f6c\u8f7d\u81f3\u6b64\uff0c\u505a\u4e2a\u5907\u4efd\u3001\u8bb0\u5f55\u63d0\u9192\u81ea\u5df1\u3002<\/p>\n<hr 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<span style=\"color: #3366ff;\">\u53d1[*#](?:\u7968|\u6f02)<\/span>\uff0c\u8fd8\u8981\u80fd\u591f\u60f3\u5230 <span style=\"color: #3366ff;\">\u53d1.(?:\u7968|\u6f02|\u98d8)<\/span>\u4e4b\u7c7b\u53ef\u80fd\u51fa\u73b0\u7684\u201c\u53d8\u79cd\u201d\u3002\u8fd9\u5728\u5177\u4f53\u7684\u9886\u57df\u6216\u8bb8\u4f1a\u6709\u9488\u5bf9\u6027\u7684\u89c4\u5219\uff0c\u4e0d\u591a\u8a00\u3002\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u6d88\u9664\u6f0f\u5339\u914d\uff0c\u5ef6\u957f\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<p><b>\u660e\u786e<\/b>\u3002\u5177\u4f53\u8bf4\u6765\uff0c\u5c31\u662f<b>\u8c28\u614e<\/b>\u7528\u70b9\u53f7\u8fd9\u6837\u7684\u5143\u5b57\u7b26\uff0c<b>\u5c3d\u53ef\u80fd<\/b>\u4e0d\u7528\u661f\u53f7\u548c\u52a0\u53f7\u8fd9\u6837\u7684\u4efb\u610f\u91cf\u8bcd\u3002\u53ea\u8981\u80fd\u786e\u5b9a\u8303\u56f4\u7684\uff0c\u4f8b\u5982\\w\uff0c\u5c31\u4e0d\u8981\u7528\u70b9\u53f7\uff1b\u53ea\u8981\u80fd\u591f\u9884\u6d4b\u91cd\u590d\u6b21\u6570\u7684\uff0c\u5c31\u4e0d\u8981\u7528\u4efb\u610f\u91cf\u8bcd\u3002\u4f8b\u5982\uff0c\u5199\u6790\u53d6twitter\u6d88\u606f\u7684\u811a\u672c\uff0c\u5047\u8bbe\u4e00\u6761\u6d88\u606f\u7684xml\u6b63\u6587\u90e8\u5206\u7ed3\u6784\u662f&lt;span class=\u201dmsg\u201d&gt;\u2026&lt;\/span&gt;\u4e14\u6b63\u6587\u4e2d\u65e0\u5c16\u62ec\u53f7\uff0c\u90a3\u4e48<span style=\"color: #3366ff;\">&lt;span class=\u201dmsg\u201d&gt;[^&lt;]{1,480}&lt;\/span&gt;<\/span>\u8fd9\u79cd\u5199\u6cd5<b>\u7684\u601d\u8def<\/b>\u8981\u597d\u4e8e<span style=\"color: #3366ff;\">&lt;span class=\u201dmsg\u201d&gt;.*&lt;\/span&gt;<\/span>\uff0c\u539f\u56e0\u6709\u4e8c\uff1a\u4e00\u662f\u4f7f\u7528<span style=\"color: #3366ff;\">[^&lt;]<\/span>\uff0c\u5b83\u4fdd\u8bc1\u4e86\u6587\u672c\u7684\u8303\u56f4\u4e0d\u4f1a\u8d85\u51fa\u4e0b\u4e00\u4e2a\u5c0f\u4e8e\u53f7\u6240\u5728\u7684\u4f4d\u7f6e\uff1b\u4e8c\u662f\u660e\u786e\u957f\u5ea6\u8303\u56f4\uff0c<span style=\"color: #3366ff;\">{1,480}<\/span>\uff0c\u5176\u4f9d\u636e\u662f\u4e00\u6761twitter\u6d88\u606f\u5927\u81f4\u80fd\u7684\u5b57\u7b26\u957f\u5ea6\u8303\u56f4\u3002\u5f53\u7136\uff0c480\u8fd9\u4e2a\u957f\u5ea6\u662f\u5426\u6b63\u786e\u8fd8\u53ef\u63a8\u6572\uff0c\u4f46\u662f\u8fd9\u79cd\u601d\u8def\u662f\u503c\u5f97\u501f\u9274\u7684\u3002\u8bf4\u5f97\u72e0\u4e00\u70b9\uff0c\u201c\u6ee5\u7528\u70b9\u53f7\u3001\u661f\u53f7\u548c\u52a0\u53f7\u662f\u4e0d\u73af\u4fdd\u3001\u4e0d\u8d1f\u8d23\u4efb\u7684\u505a\u6cd5\u201d\u3002<\/p>\n<p><b>\u4e0d\u8981\u8ba9\u7a3b\u8349\u538b\u6b7b\u9a86\u9a7c<\/b>\u3002\u6bcf\u4f7f\u7528\u4e00\u4e2a\u666e\u901a\u62ec\u53f7()\u800c\u4e0d\u662f\u975e\u6355\u83b7\u578b\u62ec\u53f7<span style=\"color: #3366ff;\">(?:\u2026)<\/span>\uff0c\u5c31\u4f1a\u4fdd\u7559\u4e00\u90e8\u5206\u5185\u5b58\u7b49\u7740\u4f60\u518d\u6b21\u8bbf\u95ee\u3002\u8fd9\u6837\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u65e0\u9650\u6b21\u5730\u8fd0\u884c\u6b21\u6570\uff0c\u65e0\u5f02\u4e8e\u4e00\u6839\u6839\u7a3b\u8349\u7684\u5806\u52a0\uff0c\u7ec8\u4e8e\u80fd\u5c06\u9a86\u9a7c\u538b\u6b7b\u3002\u517b\u6210\u5408\u7406\u4f7f\u7528(?:\u2026)\u62ec\u53f7\u7684\u4e60\u60ef\u3002<\/p>\n<p><b>\u5b81\u7b80\u52ff\u7e41<\/b>\u3002\u5c06\u4e00\u6761\u590d\u6742\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u62c6\u5206\u4e3a\u4e24\u6761\u6216\u591a\u6761\u7b80\u5355\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u7f16\u7a0b\u96be\u5ea6\u4f1a\u964d\u4f4e\uff0c\u8fd0\u884c\u6548\u7387\u4f1a\u63d0\u5347\u3002\u4f8b\u5982\u7528\u6765\u6d88\u9664\u884c\u9996\u548c\u884c\u5c3e\u7a7a\u767d\u5b57\u7b26\u7684\u6b63\u5219\u8868\u8fbe\u5f0f<span style=\"color: #3366ff;\">s\/^\\s+|\\s+$\/\/g;<\/span>\uff0c\u5176\u8fd0\u884c\u6548\u7387\u7406\u8bba\u4e0a\u8981\u4f4e\u4e8e<span style=\"color: #3366ff;\">s\/^\\s+\/\/g; s\/\\s+$\/\/g;<\/span> \u3002\u8fd9\u4e2a\u4f8b\u5b50\u51fa\u81ea\u300a\u7cbe\u901a\u6b63\u5219\u8868\u8fbe\u5f0f\u300b\u7b2c\u4e94\u7ae0\uff0c\u4e66\u4e2d\u5bf9\u5b83\u7684\u8bc4\u8bba\u662f\u201c\u5b83\u51e0\u4e4e\u603b\u662f\u6700\u5feb\u7684\uff0c\u800c\u4e14\u663e\u7136\u6700\u5bb9\u6613\u7406\u89e3\u201d\u3002\u65e2\u5feb\u53c8\u5bb9\u6613\u7406\u89e3\uff0c\u4f55\u4e50\u800c\u4e0d\u4e3a\uff1f\u5de5\u4f5c\u4e2d\u6211\u4eec\u8fd8\u6709\u5176\u5b83\u7684\u7406\u7531\u8981\u5c06C==<span style=\"color: #3366ff;\">(A|B)<\/span>\u8fd9\u6837\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u62c6\u4e3aA\u548cB\u4e24\u6761\u8868\u8fbe\u5f0f\u5206\u522b\u6267\u884c\u3002\u4f8b\u5982\uff0c\u867d\u7136A\u548cB\u8fd9\u4e24\u79cd\u60c5\u51b5\u53ea\u8981\u6709\u4e00\u79cd\u80fd\u591f\u51fb\u4e2d\u6240\u9700\u8981\u7684\u6587\u672c\u6a21\u5f0f\u5c31\u4f1a\u6210\u529f\u5339\u914d\uff0c\u4f46\u662f\u5982\u679c\u53ea\u8981\u6709\u4e00\u6761\u5b50\u8868\u8fbe\u5f0f\uff08\u4f8b\u5982A\uff09\u4f1a\u4ea7\u751f\u8bef\u5339\u914d\uff0c\u90a3\u4e48\u4e0d\u8bba\u5176\u5b83\u7684\u5b50\u8868\u8fbe\u5f0f\uff08\u4f8b\u5982B\uff09\u6548\u7387\u5982\u4f55\u4e4b\u9ad8\uff0c\u8303\u56f4\u5982\u4f55\u7cbe\u51c6\uff0cC\u7684\u603b\u4f53\u7cbe\u51c6\u5ea6\u4e5f\u4f1a\u56e0A\u800c\u53d7\u5230\u5f71\u54cd\u3002<\/p>\n<p><b>\u5de7\u5999\u5b9a\u4f4d<\/b>\u3002\u6709\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u5339\u914d\u7684the\uff0c\u662f\u4f5c\u4e3a\u5355\u8bcd\u7684the\uff08\u4e24\u8fb9\u6709\u7a7a\u683c\uff09\uff0c\u800c\u4e0d\u662f\u4f5c\u4e3a\u5355\u8bcd\u4e00\u90e8\u5206\u7684t-h-e\u7684\u6709\u5e8f\u6392\u5217\uff08\u4f8b\u5982toge<span style=\"color: #cc33cc;\">the<\/span>r\u4e2d\u7684the\uff09\u3002\u5728\u9002\u5f53\u7684\u65f6\u5019\u7528\u4e0a<span style=\"color: #3366ff;\">^<\/span>\uff0c<span style=\"color: #3366ff;\">$<\/span>\uff0c<span style=\"color: #3366ff;\">\\b<\/span>\u7b49\u7b49\u5b9a\u4f4d\u951a\u70b9\uff0c\u80fd\u6709\u6548\u63d0\u5347\u627e\u5230\u6210\u529f\u5339\u914d\u3001\u6dd8\u6c70\u4e0d\u6210\u529f\u5339\u914d\u7684\u6548\u7387\u3002<\/p>\n<p>==<\/p>\n<h6>\u539f\u6587\u94fe\u63a5\uff1a<\/h6>\n<p><a href=\"http:\/\/iregex.org\/blog\/regex-optimizing.html\" target=\"_blank\">\u7b14\u8bb0\uff1a\u5982\u4f55\u5199\u51fa\u9ad8\u6548\u7387\u7684\u6b63\u5219\u8868\u8fbe\u5f0f | \u6211\u7231\u6b63\u5219\u8868\u8fbe\u5f0f<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u901b\u201c\u6211\u7231\u6b63\u5219\u8868\u8fbe\u5f0f\u201d\u65f6\u770b\u5230\u7684\u4e00\u7bc7\u6587\u7ae0\uff0c\u5199\u5f97\u771f\u597d\uff0c\u8f6c\u8f7d\u81f3\u6b64\uff0c\u505a\u4e2a\u5907\u4efd\u3001\u8bb0\u5f55\u63d0\u9192\u81ea\u5df1\u3002 \u5982\u679c\u7eaf\u7cb9\u662f\u4e3a\u4e86\u6311\u6218\u81ea\u5df1\u7684 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,6,12],"tags":[377,19],"class_list":["post-2052","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-other","category-tools","tag-regex","tag-tips"],"views":6041,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=2052"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2052\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=2052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=2052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=2052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}