{"id":177537,"date":"2024-11-08T14:58:32","date_gmt":"2024-11-08T06:58:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177537\/"},"modified":"2024-11-08T14:58:33","modified_gmt":"2024-11-08T06:58:33","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41139-sqlstate-42000%ef%bc%88er_regexp_error%ef%bc%89%e5%be%9eregexp%e7%8d%b2%e5%be%97mysql%e9%8c%af%e8%aa%a4s","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177537\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41139 &#8211; SQLSTATE: 42000\uff08ER_REGEXP_ERROR\uff09\u5f9eregexp\u7372\u5f97MySQL\u932f\u8aa4&#8217;%s&#8217;"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41139-sqlstate-42000%ef%bc%88er_regexp_error%ef%bc%89%e5%be%9eregexp%e7%8d%b2%e5%be%97mysql%e9%8c%af%e8%aa%a4s-tOBzziShaP\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41139 &#8211; SQLSTATE: 42000\uff08ER_REGEXP_ERROR\uff09\u5f9eregexp\u7372\u5f97MySQL\u932f\u8aa4&#8217;%s&#8217;<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa41139\uff0c\u9019\u662f\u4e00\u500b\u8207\u6b63\u5247\u8868\u9054\u5f0f\uff08regexp\uff09\u76f8\u95dc\u7684\u932f\u8aa4\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41139%e7%9a%84%e6%a6%82%e8%bf%b0-tOBzziShaP\">\u932f\u8aa41139\u7684\u6982\u8ff0<\/h2>\n<p>MySQL\u932f\u8aa41139\u7684\u5168\u540d\u662fSQLSTATE: 42000\uff08ER_REGEXP_ERROR\uff09\uff0c\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u67e5\u8a62\u6642\u3002\u7576MySQL\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u6216\u57f7\u884c\u6b63\u5247\u8868\u9054\u5f0f\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u6b63\u5247\u8868\u9054\u5f0f\u7684\u8a9e\u6cd5\u932f\u8aa4\u3001\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u529f\u80fd\uff0c\u6216\u8005\u662f\u56e0\u70ba\u6b63\u5247\u8868\u9054\u5f0f\u7684\u683c\u5f0f\u4e0d\u6b63\u78ba\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-tOBzziShaP\">\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u6b63\u5247\u8868\u9054\u5f0f\u7684\u8a9e\u6cd5\u4e0d\u6b63\u78ba\uff0c\u4f8b\u5982\u7f3a\u5c11\u62ec\u865f\u6216\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u8f49\u7fa9\u5b57\u7b26\u3002<\/li>\n<li><strong>\u4e0d\u652f\u6301\u7684\u529f\u80fd\uff1a<\/strong>\u67d0\u4e9b\u6b63\u5247\u8868\u9054\u5f0f\u529f\u80fd\u5728\u7279\u5b9a\u7248\u672c\u7684MySQL\u4e2d\u53ef\u80fd\u4e0d\u88ab\u652f\u6301\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5b57\u6bb5\u985e\u578b\u8207\u6b63\u5247\u8868\u9054\u5f0f\u4e0d\u517c\u5bb9\uff0c\u4f8b\u5982\u5728\u6578\u5b57\u5b57\u6bb5\u4e0a\u4f7f\u7528\u5b57\u7b26\u4e32\u6b63\u5247\u8868\u9054\u5f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41139-tOBzziShaP\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41139<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa41139\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%e7%9a%84%e8%aa%9e%e6%b3%95-tOBzziShaP\">1. \u6aa2\u67e5\u6b63\u5247\u8868\u9054\u5f0f\u7684\u8a9e\u6cd5<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u60a8\u4f7f\u7528\u7684\u6b63\u5247\u8868\u9054\u5f0f\u662f\u5426\u7b26\u5408\u6b63\u78ba\u7684\u8a9e\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528\u5728\u7dda\u6b63\u5247\u8868\u9054\u5f0f\u6aa2\u67e5\u5de5\u5177\u4f86\u9a57\u8b49\u60a8\u7684\u8868\u9054\u5f0f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6b63\u5247\u8868\u9054\u5f0f\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username REGEXP '^[a-zA-Z0-9_]+$';<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u9078\u64c7\u6240\u6709\u7528\u6236\u540d\u7531\u5b57\u6bcd\u3001\u6578\u5b57\u6216\u4e0b\u5283\u7dda\u7d44\u6210\u7684\u7528\u6236\u3002\u5982\u679c\u8a9e\u6cd5\u4e0d\u6b63\u78ba\uff0c\u8acb\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8dmysql%e7%89%88%e6%9c%ac-tOBzziShaP\">2. \u78ba\u8a8dMySQL\u7248\u672c<\/h3>\n<p>\u4e0d\u540c\u7248\u672c\u7684MySQL\u5c0d\u6b63\u5247\u8868\u9054\u5f0f\u7684\u652f\u6301\u7a0b\u5ea6\u4e0d\u540c\u3002\u8acb\u78ba\u8a8d\u60a8\u4f7f\u7528\u7684MySQL\u7248\u672c\u662f\u5426\u652f\u6301\u60a8\u6240\u4f7f\u7528\u7684\u6b63\u5247\u8868\u9054\u5f0f\u529f\u80fd\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5MySQL\u7248\u672c\uff1a<\/p>\n<pre><code>SELECT VERSION();<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-tOBzziShaP\">3. \u6e2c\u8a66\u6578\u64da\u985e\u578b<\/h3>\n<p>\u78ba\u4fdd\u60a8\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5b57\u6bb5\u985e\u578b\u8207\u6b63\u5247\u8868\u9054\u5f0f\u76f8\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5728\u6578\u5b57\u5b57\u6bb5\u4e0a\u4f7f\u7528\u5b57\u7b26\u4e32\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u8acb\u6aa2\u67e5\u5b57\u6bb5\u985e\u578b\u4e26\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e7%b0%a1%e5%96%ae%e7%9a%84%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f-tOBzziShaP\">4. \u4f7f\u7528\u7c21\u55ae\u7684\u6b63\u5247\u8868\u9054\u5f0f<\/h3>\n<p>\u5982\u679c\u60a8\u4ecd\u7136\u9047\u5230\u554f\u984c\uff0c\u8003\u616e\u4f7f\u7528\u66f4\u7c21\u55ae\u7684\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u9032\u884c\u6e2c\u8a66\u3002\u9019\u53ef\u4ee5\u5e6b\u52a9\u60a8\u78ba\u5b9a\u554f\u984c\u662f\u5426\u51fa\u5728\u6b63\u5247\u8868\u9054\u5f0f\u7684\u8907\u96dc\u6027\u4e0a\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5617\u8a66\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username REGEXP '^[a-z]+$';<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tOBzziShaP\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41139\uff08SQLSTATE: 42000\uff09\u901a\u5e38\u8207\u6b63\u5247\u8868\u9054\u5f0f\u7684\u4f7f\u7528\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u6b63\u5247\u8868\u9054\u5f0f\u7684\u8a9e\u6cd5\u3001\u78ba\u8a8dMySQL\u7248\u672c\u3001\u6e2c\u8a66\u6578\u64da\u985e\u578b\u4ee5\u53ca\u4f7f\u7528\u7c21\u55ae\u7684\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41139\uff08SQLSTATE: 42000\uff09\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7aregexp\u5c0e\u81f4\u7684\u932f\u8aa4\uff0c\u63d0\u5347\u6578\u64da\u5eab\u67e5\u8a62\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-177537","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177537","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=177537"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177537\/revisions"}],"predecessor-version":[{"id":177538,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177537\/revisions\/177538"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}