{"id":205278,"date":"2025-05-29T08:25:36","date_gmt":"2025-05-29T00:25:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205278\/"},"modified":"2025-05-29T08:25:36","modified_gmt":"2025-05-29T00:25:36","slug":"%e5%a5%bd%e4%b8%9c%e8%a5%bf","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205278\/","title":{"rendered":"\u597d\u4e1c\u897f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u597d\u4e1c\u897f<\/h1>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u597d\u4e1c\u897f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241128\/17327547246747bd24b4e80.jpg\" class=\"aligncenter\"><\/p>\n<p>\u7a46\u7f55\u9ed8\u5fb7\u00b7s\u00b7\u5b89\u74e6\u5c14 (mohammad s. anwar) \u6bcf\u5468\u90fd\u4f1a\u53d1\u51fa\u201c\u6bcf\u5468\u6311\u6218\u201d\uff0c\u8ba9\u6211\u4eec\u6240\u6709\u4eba\u90fd\u6709\u673a\u4f1a\u4e3a\u6bcf\u5468\u4e24\u6b21\u7684\u4efb\u52a1\u63d0\u51fa\u89e3\u51b3\u65b9\u6848\u3002\u6211\u7684\u89e3\u51b3\u65b9\u6848\u9996\u5148\u7528python\u7f16\u5199\uff0c\u7136\u540e\u8f6c\u6362\u4e3aperl\u3002\u8fd9\u5bf9\u6211\u4eec\u6240\u6709\u4eba\u6765\u8bf4\u90fd\u662f\u7ec3\u4e60\u7f16\u7801\u7684\u597d\u65b9\u6cd5\u3002<\/p>\n<p>\u6311\u6218\uff0c\u6211\u7684\u89e3\u51b3\u65b9\u6848<\/p>\n<p>\u7ed9\u4f60\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c$str\u3002<\/p>\n<p>\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8fd4\u56de\u4f7f\u7ed9\u5b9a\u5b57\u7b26\u4e32\u6210\u4e3a\u975e\u5e38\u5f3a\u7684\u5bc6\u7801\u6240\u9700\u7684\u6700\u5c11\u6b65\u9aa4\u3002\u5982\u679c\u5b83\u5df2\u7ecf\u5f88\u5f3a\uff0c\u5219\u8fd4\u56de 0\u3002<\/p>\n<p>\u6807\u51c6\uff1a<\/p>\n<ul>\n<li>\u5fc5\u987b\u81f3\u5c11\u6709 6 \u4e2a\u5b57\u7b26\u3002<\/li>\n<li>\u5fc5\u987b\u5305\u542b\u81f3\u5c11\u4e00\u4e2a\u5c0f\u5199\u5b57\u6bcd\u3001\u81f3\u5c11\u4e00\u4e2a\u5927\u5199\u5b57\u6bcd\u548c\u81f3\u5c11\u4e00\u4e2a\u6570\u5b57\u3002<\/li>\n<li>\u8fde\u7eed\u4e0d\u5f97\u5305\u542b 3 \u4e2a\u91cd\u590d\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u53ef\u89c6\u4e3a\u4e00\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li>\u63d2\u5165\u4e00\u4e2a\u5b57\u7b26<\/li>\n<li>\u5220\u9664\u4e00\u4e2a\u5b57\u7b26<\/li>\n<li>\u5c06\u4e00\u4e2a\u5b57\u7b26\u66ff\u6362\u4e3a\u53e6\u4e00\u4e2a\u5b57\u7b26<\/li>\n<\/ul>\n<p>\u8fd9\u7edd\u5bf9\u662f\u672c\u5468\u4e24\u9879\u4efb\u52a1\u4e2d\u8f83\u96be\u7684\u4e00\u9879\u3002\u6211\u7684\u767d\u677f\u4e3a\u6b64\u5f97\u5230\u4e86\u5f88\u597d\u7684\u953b\u70bc\uff01<\/p>\n<p>\u4f3c\u4e4e\u4e0d\u5b58\u5728\u5220\u9664\u5b57\u7b26\u6bd4\u66ff\u6362\u5b57\u7b26\u66f4\u6709\u5229\u7684\u7528\u4f8b\uff0c\u56e0\u6b64\u6211\u53ef\u4ee5\u5c06\u5176\u4ece\u7b49\u5f0f\u4e2d\u5220\u9664\u3002<\/p>\n<p>\u4f3c\u4e4e\u6709\u4e09\u79cd\u7c7b\u578b\u7684\u66f4\u6539\uff0c\u6211\u5c06\u5176\u5b9a\u4e49\u5982\u4e0b\u3002<\/p>\n<ol>\n<li>\u5982\u679c\u6709\u4e09\u4e2a\u6216\u66f4\u591a\u8fde\u7eed\u5b57\u7b26\uff0c\u6211\u4eec\u9700\u8981\u5c06\u7b2c\u4e09\u4e2a\u5b57\u7b26\u66ff\u6362\u4e3a\u4e0d\u540c\u7684\u5b57\u7b26\u3002\u8fd9\u5b58\u50a8\u4e3a cons_count\u3002\u5982\u679c\u6709\u516d\u4e2a\u6216\u66f4\u591a\u8fde\u7eed\u5b57\u7b26\uff0c\u6211\u4eec\u9700\u8981\u66ff\u6362\u7b2c\u4e09\u4e2a\u548c\u7b2c\u516d\u4e2a\u5b57\u7b26\u3002\u4e5d\u4e2a\u6216\u66f4\u591a\u9700\u8981\u4e09\u4e2a\u66f4\u6539\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002<\/li>\n<li>\u5982\u679c\u5bc6\u7801\u592a\u77ed\uff0c\u6211\u4f1a\u5c06\u7f3a\u5c11\u7684\u5b57\u7b26\u6570\u5b58\u50a8\u4e3a\u53d8\u91cf char_count\u3002<\/li>\n<li>\u53d8\u91cf type_count \u8ba1\u7b97\u7f3a\u5931\u7684\u7c7b\u578b\u3002\u5982\u679c\u7f3a\u5c11\u5c0f\u5199\u5b57\u6bcd\uff0c\u6211\u6dfb\u52a0 1\uff0c\u5982\u679c\u7f3a\u5c11\u5927\u5199\u5b57\u6bcd\uff0c\u6211\u6dfb\u52a0 1\uff0c\u5982\u679c\u7f3a\u5c11\u6570\u5b57\uff0c\u6211\u6dfb\u52a0 1\u3002<\/li>\n<\/ol>\n<p>\u4f46\u662f\uff0ctype_count \u5217\u8868\u4e2d\u7684\u66f4\u6539\u53ef\u4ee5\u88ab\u5176\u4ed6\u4e24\u4e2a\u66f4\u6539\u4e4b\u4e00\u8986\u76d6\u3002\u4f8b\u5982\uff0c\u5982\u679c abbbbb \u662f\u63d0\u4f9b\u7684\u5bc6\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u66f4\u6539\u4e3a abb1bb\uff0c\u8fd9\u6db5\u76d6\u4e86\u7c7b\u578b\u66f4\u6539\u548c\u8fde\u7eed\u5b57\u7b26\u66f4\u6539\u3002\u540c\u6837\uff0cabcde \u5230 abcde1 \u5c06\u6db5\u76d6\u7c7b\u578b\u66f4\u6539\u548c\u77ed\u5bc6\u7801\u66f4\u6539\u3002<\/p>\n<p>\u56e0\u6b64\u6211\u8fd4\u56de cons_count + char_count \u548c type_count \u7684\u6700\u5927\u503c\u3002<\/p>\n<pre>def strong_password(password: str) -&gt; int:\n    cons_count = 0\n    for c in re.findall(r'((.)\\2{2,})', password):\n        # for every 3 consecutive characters, we need to replace one\n        cons_count += len(c[0]) \/\/ 3\n\n    char_count = max(0, 6 - len(password))\n\n    type_count = 0\n    if not re.search(r'[a-z]', password):\n        type_count += 1\n    if not re.search(r'[a-z]', password):\n        type_count += 1\n    if not re.search(r'[0-9]', password):\n        type_count += 1\n\n    return max(cons_count + char_count, type_count)\n<\/pre>\n<p>\u6211\u76f8\u4fe1\u8fd9\u662f\u6b63\u786e\u7684\u903b\u8f91\u3002\u53ef\u80fd\u6709\u4e00\u4e9b\u6211\u6ca1\u6709\u8003\u8651\u5230\u7684\u8fb9\u7f18\u60c5\u51b5\u3002<\/p>\n<pre>$ .\/ch-1.py a\n5\n\n$ .\/ch-1.py ab2\n3\n\n$ .\/ch-1.py paasw0rd\n0\n\n$ .\/ch-1.py paaasw0rd\n1\n\n$ .\/ch-1.py aaaaa\n2\n<\/pre>\n<p>\u7ed9\u4f60\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c$str\u3002<\/p>\n<p>\u7f16\u5199\u4e00\u4e2a\u811a\u672c\u6765\u67e5\u627e\u5b83\u662f\u5426\u662f\u6709\u6548\u6570\u5b57\u3002<\/p>\n<p>\u6709\u6548\u53f7\u7801\u7684\u6761\u4ef6\uff1a<\/p>\n<ul>\n<li>\u4e00\u4e2a\u6574\u6570\uff0c\u540e\u8ddf\u4e00\u4e2a\u53ef\u9009\u7684\u6307\u6570\u3002<\/li>\n<li>\u4e00\u4e2a\u5341\u8fdb\u5236\u6570\uff0c\u540e\u8ddf\u4e00\u4e2a\u53ef\u9009\u7684\u6307\u6570\u3002<\/li>\n<li>\u6574\u6570\u662f\u7528\u53ef\u9009\u7684\u7b26\u53f7\u201c-\u201d\u6216\u201c+\u201d\u540e\u8ddf\u6570\u5b57\u6765\u5b9a\u4e49\u7684\u3002<\/li>\n<\/ul>\n<p>\u5341\u8fdb\u5236\u6570\uff1a\u5341\u8fdb\u5236\u6570\u7531\u53ef\u9009\u7b26\u53f7\u201c-\u201d\u6216\u201c+\u201d\u5b9a\u4e49\uff0c\u540e\u8ddf\u4ee5\u4e0b\u5b9a\u4e49\u4e4b\u4e00\uff1a<\/p>\n<ul>\n<li>\u6570\u5b57\u540e\u8ddf\u4e00\u4e2a\u70b9\u201c.\u201d\u3002<\/li>\n<li>\u6570\u5b57\u540e\u8ddf\u4e00\u4e2a\u70b9\u201c.\u201d\u540e\u9762\u8ddf\u7740\u6570\u5b57\u3002<\/li>\n<li>\u4e00\u4e2a\u70b9\u201c.\u201d\u540e\u9762\u8ddf\u7740\u6570\u5b57\u3002<\/li>\n<\/ul>\n<p>\u6307\u6570\uff1a\u6307\u6570\u662f\u7528\u6307\u6570\u7b26\u53f7\u201ce\u201d\u6216\u201ce\u201d\u540e\u8ddf\u4e00\u4e2a\u6574\u6570\u6765\u5b9a\u4e49\u7684\u3002<\/p>\n<p>\u8fd9\u76f8\u5bf9\u7b80\u5355\u3002\u8fd9\u662f\u6211\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<pre>def valid_number(s: str) -&gt; bool:\n    return bool(re.search(r'^[+-]?([0-9]+\\.?[0-9]*|\\.[0-9]+)([ee][+-]?[0-9]+)?$', s))\n<\/pre>\n<p>\u6211\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u6839\u636e\u662f\u5426\u5339\u914d\u8fd4\u56de true \u6216 false\u3002\u4ee5\u4e0b\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7ec6\u5206\uff1a<\/p>\n<ol>\n<li> ^ \u548c $ \u786e\u4fdd\u5b83\u5339\u914d\u6574\u4e2a\u5b57\u7b26\u4e32\u3002<\/li>\n<li> [+-]\uff1f\u5141\u8bb8\u53ef\u9009\u7684\u7b7e\u540d\u524d\u7f00\u3002<\/li>\n<li> ([0-9]+.?[0-9]*|.[0-9]+) \u5c06\u5339\u914d\u4e00\u4e2a\u6570\u5b57\uff08\u53ef\u9009\u540e\u8ddf\u4e00\u4e2a\u70b9\uff09\u548c\u66f4\u591a\u6570\u5b57\uff08| \u7684\u5de6\u4fa7\uff0c\u6216\u4e00\u4e2a\u70b9\u540e\u8ddf\uff09\u591a\u4e00\u4f4d\u6570\u5b57\uff08\u53f3\u4fa7\uff09\u3002<\/li>\n<li>\u6700\u540e\uff0c([ee][+-]?[0-9]+)\uff1f\u5c06\u9009\u62e9\u6027\u5730\u5141\u8bb8\u5b57\u6bcd e\u3001\u53ef\u9009\u7684\u7b7e\u540d\u5b57\u7b26\u4ee5\u53ca\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u5b57\u3002<\/li>\n<\/ol>\n<p>\u6211\u4f7f\u7528 [0-9] \u800c\u4e0d\u662f d\uff0c\u56e0\u4e3a\u5728 perl \u4e2d\uff0c\u540e\u8005\u5c06\u5339\u914d\u82f1\u8bed\u4ee5\u5916\u7684\u8bed\u8a00\u4e2d\u7684\u6570\u5b57\u3002\u8fd9\u662f\u6211\u5f88\u4e45\u4ee5\u524d\u6dfb\u52a0\u4e66\u7b7e\u7684\u535a\u5ba2\u6587\u7ae0\u4e2d\u8ba8\u8bba\u7684\u3002 https:\/\/blogs.perl.org\/users\/ben_bullock\/2017\/05\/d-does-not-validate-numbers.html<\/p>\n<pre>$ .\/ch-2.py 1.\nTrue\n\n$ .\/ch-2.py 1.\ntrue\n\n$ .\/ch-2.py a\nfalse\n\n$ .\/ch-2.py .\nfalse\n\n$ .\/ch-2.py 1.2e4.2\nfalse\n\n$ .\/ch-2.py -1.\ntrue\n\n$ .\/ch-2.py +1E-8\ntrue\n\n$ .\/ch-2.py .44\ntrue\n<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u597d\u4e1c\u897f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<p>      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u597d\u4e1c\u897f \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6&#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-205278","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205278","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=205278"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205278\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}