{"id":202408,"date":"2025-05-13T09:04:54","date_gmt":"2025-05-13T01:04:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202408\/"},"modified":"2025-05-13T09:04:54","modified_gmt":"2025-05-13T01:04:54","slug":"php%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e4%b8%ad%e9%87%8f%e8%af%8d%e7%9a%84%e4%bd%bf%e7%94%a8%e6%8a%80%e5%b7%a7%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202408\/","title":{"rendered":"php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u91cf\u8bcd\u7684\u4f7f\u7528\u6280\u5de7\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u91cf\u8bcd\u7684\u4f7f\u7528\u6280\u5de7\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aphp\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u91cf\u8bcd\u7684\u4f7f\u7528\u6280\u5de7\u6709\u54ea\u4e9b\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n<p>PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7684\u91cf\u8bcd\u6307\u5b9a\u5143\u7d20\u51fa\u73b0\u6b21\u6570,\u5305\u62ec\uff1f(0\u6b21\u62161\u6b21)\u3001+(1\u6b21\u6216\u591a\u6b21)\u3001(0\u6b21\u6216\u591a\u6b21)\u3001{n}(n\u6b21)\u3001{n,}(n\u6b21\u6216\u66f4\u591a\u6b21)\u3001{n,m}(n\u5230m\u6b21)\u3002\u91cf\u8bcd\u4f18\u5316\u6280\u5de7\u6709\uff1a\u4f7f\u7528\uff1f\u4ee3\u66ff\uff0c\u4f7f\u7528*\uff1f\u4ee3\u66ff+\uff0c\u4f7f\u7528{n,n}\u4ee3\u66ff{n}\u3002\u907f\u514d\u91cf\u8bcd\u8d2a\u5a6a\uff0c\u614e\u7528\u5d4c\u5957\u91cf\u8bcd\uff0c\u8f6c\u4e49\u91cf\u8bcd\u5b57\u7b26\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241012\/1728717777670a23d15969d.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>PHP \u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u91cf\u8bcd\u7684\u4f7f\u7528\u6280\u5de7<\/strong><\/p>\n<p><strong>\u7406\u89e3\u91cf\u8bcd<\/strong><\/p>\n<p>\u91cf\u8bcd\u6307\u5b9a\u6a21\u5f0f\u4e2d\u5143\u7d20\uff08\u5982\u5b57\u7b26\u3001\u5b50\u8868\u8fbe\u5f0f\u6216\u7ec4\uff09\u51fa\u73b0\u6b21\u6570\u3002\u6709 6 \u4e2a\u91cf\u8bcd\uff1a<\/p>\n<ul>\n<li><strong>\uff1f<\/strong> \u5339\u914d 0 \u6b21\u6216 1 \u6b21<\/li>\n<li><strong>+<\/strong> \u5339\u914d 1 \u6b21\u6216\u591a\u6b21<\/li>\n<li><strong>*<\/strong> \u5339\u914d 0 \u6b21\u6216\u591a\u6b21<\/li>\n<li><strong>{n}<\/strong> \u7cbe\u786e\u5339\u914d n \u6b21<\/li>\n<li><strong>{n,}<\/strong> \u5339\u914d n \u6b21\u6216\u66f4\u591a\u6b21<\/li>\n<li><strong>{n,m}<\/strong> \u5339\u914d n \u5230 m \u6b21<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u63d0\u53d6\u7535\u5b50\u90ae\u4ef6\u5730\u5740\uff1a<\/strong><\/p>\n<pre>$pattern = \"\/[\\w.%+-]+@[\\w.-]+\\.[\\w]{2,6}\/\";\n\n$subject = \"support@example.com\";\npreg_match($pattern, $subject, $matches);\n\nprint_r($matches); \/\/ Array ( [0] =&gt; support@example.com )<\/pre>\n<p><strong>\u6e05\u7406 HTML \u6807\u7b7e\uff1a<\/strong><\/p>\n<pre>$pattern = \"\/&lt;[^&gt;]+&gt;\/\";\n\n$html = \"&lt;p&gt;This is &lt;b&gt;bold&lt;\/b&gt; text.&lt;\/p&gt;\";\npreg_replace($pattern, \"\", $html); \/\/ \"This is bold text.\"<\/pre>\n<p><strong>\u4f7f\u7528\u91cf\u8bcd\u4f18\u5316\u6027\u80fd<\/strong><\/p>\n<ul>\n<li><strong>\uff1f<\/strong> \u800c\u4e0d\u662f <strong>*<\/strong>\uff1a\u5982\u679c\u5143\u7d20\u53ef\u80fd\u51fa\u73b0 0 \u6b21\u6216 1 \u6b21\uff0c\u4f7f\u7528 <strong>\uff1f<\/strong> \u4ee3\u66ff <strong>*<\/strong> \u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>*\uff1f<\/strong> \u800c\u4e0d\u662f <strong>+<\/strong>\uff1a\u5982\u679c\u5143\u7d20\u53ef\u80fd\u51fa\u73b0 0 \u6b21\u6216\u591a\u6b21\uff0c\u4f7f\u7528 <strong>*\uff1f<\/strong> \u4ee3\u66ff <strong>+<\/strong> \u5339\u914d\u66f4\u5c11\u5b57\u7b26\u3002<\/li>\n<li><strong>{n,n}<\/strong> \u800c\u4e0d\u662f <strong>{n}<\/strong>\uff1a\u5f53\u5143\u7d20\u5e94\u7cbe\u786e\u5339\u914d n \u6b21\u65f6\uff0c\u4f7f\u7528 <strong>{n,n}<\/strong> \u4ee3\u66ff <strong>{n}<\/strong> \u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p><strong>\u907f\u514d\u5e38\u89c1\u9677\u9631<\/strong><\/p>\n<ul>\n<li><strong>\u91cf\u8bcd\u8d2a\u5a6a\uff1a<\/strong> \u91cf\u8bcd\u901a\u5e38\u4f1a\u5339\u914d\u5c3d\u53ef\u80fd\u591a\u7684\u5b57\u7b26\u3002\u4e3a\u4e86\u4f7f\u5339\u914d\u66f4\u52a0\u5177\u4f53\uff0c\u8bf7\u4f7f\u7528 <strong>\uff1f<\/strong> \u6216 <strong>*\uff1f<\/strong>\u3002<\/li>\n<li><strong>\u5d4c\u5957\u91cf\u8bcd\uff1a<\/strong> \u5d4c\u5957\u91cf\u8bcd\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u6216\u610f\u5916\u7ed3\u679c\u3002\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u5d4c\u5957\u91cf\u8bcd\u3002<\/li>\n<li><strong>\u8f6c\u4e49\u91cf\u8bcd\u5b57\u7b26\uff1a<\/strong> \u5728\u5b57\u7b26\u7c7b\u6216\u7ec4\u5185\u4f7f\u7528\u91cf\u8bcd\u65f6\uff0c\u8bf7\u52a1\u5fc5\u8f6c\u4e49\u91cf\u8bcd\u5b57\u7b26\uff08\u4f8b\u5982\uff0c<code>[\\w\\?+]<\/code>\uff09\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u91cf\u8bcd\u7684\u4f7f\u7528\u6280\u5de7&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202408","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202408"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202408\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}