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LeetCode 力扣的 JavaScript 解题仓库,前端刷题路线(思维导图)。小伙伴们可以在Issues中提交自己的解题代码,🤝 欢迎Contributing,可打卡刷题,Give a ⭐️ if this project helped you!

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![](https://imgconvert.csdnimg.cn/aHR0cHM6Ly9jZG4uanNkZWxpdnIubmV0L2doL2Nob2NvbGF0ZTE5OTkvY2RuL2ltZy8yMDIwMDgyODE0NTUyMS5qcGc?x-oss-process=image/format,png) >仰望星空的人,不应该被嘲笑 ## 题目描述 给定一个字符串S,通过将字符串S中的每个字母转变大小写,我们可以获得一个新的字符串。返回所有可能得到的字符串集合。 示例: ```javascript 输入:S = "a1b2" 输出:["a1b2", "a1B2", "A1b2", "A1B2"] 输入:S = "3z4" 输出:["3z4", "3Z4"] 输入:S = "12345" 输出:["12345"] ``` 提示: ```javascript S 的长度不超过12。 S 仅由数字和字母组成。...

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