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"title": "Masking Personal Information",
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"content": "<p>You are given a personal information string <code>s</code>, representing either an <strong>email address</strong> or a <strong>phone number</strong>. Return <em>the <strong>masked</strong> personal information using the below rules</em>.</p>\n\n<p><u><strong>Email address:</strong></u></p>\n\n<p>An email address is:</p>\n\n<ul>\n\t<li>A <strong>name</strong> consisting of uppercase and lowercase English letters, followed by</li>\n\t<li>The <code>'@'</code> symbol, followed by</li>\n\t<li>The <strong>domain</strong> consisting of uppercase and lowercase English letters with a dot <code>'.'</code> somewhere in the middle (not the first or last character).</li>\n</ul>\n\n<p>To mask an email:</p>\n\n<ul>\n\t<li>The uppercase letters in the <strong>name</strong> and <strong>domain</strong> must be converted to lowercase letters.</li>\n\t<li>The middle letters of the <strong>name</strong> (i.e., all but the first and last letters) must be replaced by 5 asterisks <code>"*****"</code>.</li>\n</ul>\n\n<p><u><strong>Phone number:</strong></u></p>\n\n<p>A phone number is formatted as follows:</p>\n\n<ul>\n\t<li>The phone number contains 10-13 digits.</li>\n\t<li>The last 10 digits make up the <strong>local number</strong>.</li>\n\t<li>The remaining 0-3 digits, in the beginning, make up the <strong>country code</strong>.</li>\n\t<li><strong>Separation characters</strong> from the set <code>{'+', '-', '(', ')', ' '}</code> separate the above digits in some way.</li>\n</ul>\n\n<p>To mask a phone number:</p>\n\n<ul>\n\t<li>Remove all <strong>separation characters</strong>.</li>\n\t<li>The masked phone number should have the form:\n\t<ul>\n\t\t<li><code>"***-***-XXXX"</code> if the country code has 0 digits.</li>\n\t\t<li><code>"+*-***-***-XXXX"</code> if the country code has 1 digit.</li>\n\t\t<li><code>"+**-***-***-XXXX"</code> if the country code has 2 digits.</li>\n\t\t<li><code>"+***-***-***-XXXX"</code> if the country code has 3 digits.</li>\n\t</ul>\n\t</li>\n\t<li><code>"XXXX"</code> is the last 4 digits of the <strong>local number</strong>.</li>\n</ul>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "LeetCode@LeetCode.com"\n<strong>Output:</strong> "l*****e@leetcode.com"\n<strong>Explanation:</strong> s is an email address.\nThe name and domain are converted to lowercase, and the middle of the name is replaced by 5 asterisks.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "AB@qq.com"\n<strong>Output:</strong> "a*****b@qq.com"\n<strong>Explanation:</strong> s is an email address.\nThe name and domain are converted to lowercase, and the middle of the name is replaced by 5 asterisks.\nNote that even though "ab" is 2 characters, it still must have 5 asterisks in the middle.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "1(234)567-890"\n<strong>Output:</strong> "***-***-7890"\n<strong>Explanation:</strong> s is a phone number.\nThere are 10 digits, so the local number is 10 digits and the country code is 0 digits.\nThus, the resulting masked number is "***-***-7890".\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>s</code> is either a <strong>valid</strong> email or a phone number.</li>\n\t<li>If <code>s</code> is an email:\n\t<ul>\n\t\t<li><code>8 <= s.length <= 40</code></li>\n\t\t<li><code>s</code> consists of uppercase and lowercase English letters and exactly one <code>'@'</code> symbol and <code>'.'</code> symbol.</li>\n\t</ul>\n\t</li>\n\t<li>If <code>s</code> is a phone number:\n\t<ul>\n\t\t<li><code>10 <= s.length <= 20</code></li>\n\t\t<li><code>s</code> consists of digits, spaces, and the symbols <code>'('</code>, <code>')'</code>, <code>'-'</code>, and <code>'+'</code>.</li>\n\t</ul>\n\t</li>\n</ul>\n",
"translatedTitle": "隐藏个人信息",
"translatedContent": "<p>给你一条个人信息字符串 <code>s</code> ，可能表示一个 <strong>邮箱地址</strong> ，也可能表示一串 <strong>电话号码</strong> 。返回按如下规则 <strong>隐藏</strong> 个人信息后的结果：</p>\n\n<p><em><strong>电子邮件地址：</strong></em></p>\n\n<p>一个电子邮件地址由以下部分组成：</p>\n\n<ul>\n\t<li>一个 <strong>名字</strong> ，由大小写英文字母组成，后面跟着</li>\n\t<li>一个 <code>'@'</code> 字符，后面跟着</li>\n\t<li>一个 <strong>域名</strong> ，由大小写英文字母和一个位于中间的 <code>'.'</code> 字符组成。<code>'.'</code> 不会是域名的第一个或者最后一个字符。</li>\n</ul>\n\n<p>要想隐藏电子邮件地址中的个人信息：</p>\n\n<ul>\n\t<li><strong>名字</strong> 和 <strong>域名</strong> 部分的大写英文字母应当转换成小写英文字母。</li>\n\t<li><strong>名字</strong> 中间的字母（即，除第一个和最后一个字母外）必须用 5 个 <code>\"*****\"</code> 替换。</li>\n</ul>\n\n<p><em><strong>电话号码：</strong></em></p>\n\n<p>一个电话号码应当按下述格式组成：</p>\n\n<ul>\n\t<li>电话号码可以由 10-13 位数字组成</li>\n\t<li>后 10 位构成 <strong>本地号码</strong></li>\n\t<li>前面剩下的 0-3 位，构成 <strong>国家代码</strong></li>\n\t<li>利用 <code>{'+', '-', '(', ')', ' '}</code> 这些 <strong>分隔字符</strong> 按某种形式对上述数字进行分隔</li>\n</ul>\n\n<p>要想隐藏电话号码中的个人信息：</p>\n\n<ul>\n\t<li>移除所有 <strong>分隔字符</strong></li>\n\t<li>隐藏个人信息后的电话号码应该遵从这种格式：\n\t<ul>\n\t\t<li><code>\"***-***-XXXX\"</code> 如果国家代码为 0 位数字</li>\n\t\t<li><code>\"+*-***-***-XXXX\"</code> 如果国家代码为 1 位数字</li>\n\t\t<li><code>\"+**-***-***-XXXX\"</code> 如果国家代码为 2 位数字</li>\n\t\t<li><code>\"+***-***-***-XXXX\"</code> 如果国家代码为 3 位数字</li>\n\t</ul>\n\t</li>\n\t<li><code>\"XXXX\"</code> 是最后 4 位 <strong>本地号码</strong></li>\n</ul>\n \n\n<div class=\"top-view__1vxA\">\n<div class=\"original__bRMd\">\n<div>\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"LeetCode@LeetCode.com\"\n<strong>输出：</strong>\"l*****e@leetcode.com\"\n<strong>解释：</strong>s 是一个电子邮件地址。\n名字和域名都转换为小写，名字的中间用 5 个 * 替换。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"AB@qq.com\"\n<strong>输出：</strong>\"a*****b@qq.com\"\n<strong>解释：</strong>s 是一个电子邮件地址。\n名字和域名都转换为小写，名字的中间用 5 个 * 替换。\n注意，尽管 \"ab\" 只有两个字符，但中间仍然必须有 5 个 * 。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"1(234)567-890\"\n<strong>输出：</strong>\"***-***-7890\"\n<strong>解释：</strong>s 是一个电话号码。\n共计 10 位数字，所以本地号码为 10 位数字，国家代码为 0 位数字。\n因此，隐藏后的电话号码应该是 \"***-***-7890\" 。\n</pre>\n\n<p><strong>示例 4：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"86-(10)12345678\"\n<strong>输出：</strong>\"+**-***-***-5678\"\n<strong>解释：</strong>s 是一个电话号码。\n共计 12 位数字，所以本地号码为 10 位数字，国家代码为 2 位数字。\n因此，隐藏后的电话号码应该是 \"+**-***-***-7890\" 。\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>s</code> 是一个 <strong>有效</strong> 的电子邮件或者电话号码</li>\n\t<li>如果 <code>s</code> 是一个电子邮件：\n\t<ul>\n\t\t<li><code>8 <= s.length <= 40</code></li>\n\t\t<li><code>s</code> 是由大小写英文字母，恰好一个 <code>'@'</code> 字符，以及 <code>'.'</code> 字符组成</li>\n\t</ul>\n\t</li>\n\t<li>如果 <code>s</code> 是一个电话号码：\n\t<ul>\n\t\t<li><code>10 <= s.length <= 20</code></li>\n\t\t<li><code>s</code> 是由数字、空格、字符 <code>'('</code>、<code>')'</code>、<code>'-'</code> 和 <code>'+'</code> 组成</li>\n\t</ul>\n\t</li>\n</ul>\n</div>\n</div>\n</div>\n",
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href=\\\"https:\\/\\/github.com\\/datastructures-js\\/queue\\\" target=\\\"_blank\\\"> datastructures-js\\/queue<\\/a>\\u3002<\\/p>\"],\"ruby\":[\"Ruby\",\"<p>\\u4f7f\\u7528<code>Ruby 3.1<\\/code>\\u6267\\u884c<\\/p>\\r\\n\\r\\n<p>\\u4e00\\u4e9b\\u5e38\\u7528\\u7684\\u6570\\u636e\\u7ed3\\u6784\\u5df2\\u5728 Algorithms \\u6a21\\u5757\\u4e2d\\u63d0\\u4f9b\\uff1ahttps:\\/\\/www.rubydoc.info\\/github\\/kanwei\\/algorithms\\/Algorithms<\\/p>\"],\"swift\":[\"Swift\",\"<p>\\u7248\\u672c\\uff1a<code>Swift 5.5.2<\\/code><\\/p>\\r\\n\\r\\n<p>\\u6211\\u4eec\\u901a\\u5e38\\u4fdd\\u8bc1\\u66f4\\u65b0\\u5230 <a href=\\\"https:\\/\\/swift.org\\/download\\/\\\" target=\\\"_blank\\\">Apple\\u653e\\u51fa\\u7684\\u6700\\u65b0\\u7248Swift<\\/a>\\u3002\\u5982\\u679c\\u60a8\\u53d1\\u73b0Swift\\u4e0d\\u662f\\u6700\\u65b0\\u7248\\u7684\\uff0c\\u8bf7\\u8054\\u7cfb\\u6211\\u4eec\\uff01\\u6211\\u4eec\\u5c06\\u5c3d\\u5feb\\u66f4\\u65b0\\u3002<\\/p>\"],\"golang\":[\"Go\",\"<p>\\u7248\\u672c\\uff1a<code>Go 1.17<\\/code><\\/p>\\r\\n\\r\\n<p>\\u652f\\u6301 <a href=\\\"https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods\\\" target=\\\"_blank\\\">https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods<\\/a> \\u7b2c\\u4e09\\u65b9\\u5e93\\u3002<\\/p>\"],\"python3\":[\"Python3\",\"<p>\\u7248\\u672c\\uff1a<code>Python 3.10<\\/code><\\/p>\\r\\n\\r\\n<p>\\u4e3a\\u4e86\\u65b9\\u4fbf\\u8d77\\u89c1\\uff0c\\u5927\\u90e8\\u5206\\u5e38\\u7528\\u5e93\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8 \\u5bfc\\u5165\\uff0c\\u5982<a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/array.html\\\" target=\\\"_blank\\\">array<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/bisect.html\\\" target=\\\"_blank\\\">bisect<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/collections.html\\\" target=\\\"_blank\\\">collections<\\/a>\\u3002 \\u5982\\u679c\\u60a8\\u9700\\u8981\\u4f7f\\u7528\\u5176\\u4ed6\\u5e93\\u51fd\\u6570\\uff0c\\u8bf7\\u81ea\\u884c\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n<p>\\u5982\\u9700\\u4f7f\\u7528 Map\\/TreeMap \\u6570\\u636e\\u7ed3\\u6784\\uff0c\\u60a8\\u53ef\\u4f7f\\u7528 <a href=\\\"http:\\/\\/www.grantjenks.com\\/docs\\/sortedcontainers\\/\\\" target=\\\"_blank\\\">sortedcontainers<\\/a> \\u5e93\\u3002<\\/p>\"],\"scala\":[\"Scala\",\"<p>\\u7248\\u672c\\uff1a<code>Scala 2.13<\\/code><\\/p>\"],\"kotlin\":[\"Kotlin\",\"<p>\\u7248\\u672c\\uff1a<code>Kotlin 1.3.10<\\/code><\\/p>\"],\"rust\":[\"Rust\",\"<p>\\u7248\\u672c\\uff1a<code>rust 1.58.1<\\/code><\\/p>\\r\\n\\r\\n<p>\\u652f\\u6301 crates.io \\u7684 <a href=\\\"https:\\/\\/crates.io\\/crates\\/rand\\\" target=\\\"_blank\\\">rand<\\/a><\\/p>\"],\"php\":[\"PHP\",\"<p><code>PHP 8.1<\\/code>.<\\/p>\\r\\n\\r\\n<p>With bcmath module.<\\/p>\"],\"typescript\":[\"TypeScript\",\"<p>TypeScript 4.5.4<\\/p>\\r\\n\\r\\n<p>Compile Options: --alwaysStrict --strictBindCallApply --strictFunctionTypes --target ES2020<\\/p>\"],\"racket\":[\"Racket\",\"<p><a href=\\\"https:\\/\\/docs.racket-lang.org\\/guide\\/performance.html#%28tech._c%29\\\" target=\\\"_blank\\\">Racket CS<\\/a> v8.3<\\/p>\\r\\n\\r\\n<p>\\u4f7f\\u7528 #lang racket<\\/p>\\r\\n\\r\\n<p>\\u5df2\\u9884\\u5148 (require data\\/gvector data\\/queue data\\/order data\\/heap). \\u82e5\\u9700\\u4f7f\\u7528\\u5176\\u5b83\\u6570\\u636e\\u7ed3\\u6784\\uff0c\\u53ef\\u81ea\\u884c require\\u3002<\\/p>\"],\"erlang\":[\"Erlang\",\"Erlang\\/OTP 24.2\"],\"elixir\":[\"Elixir\",\"Elixir 1.13.0 with Erlang\\/OTP 24.2\"]}",
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