LeetCode_字符串_简单_125.验证回文串

星许辰发布时间：2021-09-22 22:48:48 ，浏览量：0

1.题目
2.思路
3.代码实现（Java）

1.题目

给定一个字符串，验证它是否是回文串，只考虑字母和数字字符，可以忽略字母的大小写。说明：本题中，我们将空字符串定义为有效的回文串。

示例 1：输入: “A man, a plan, a canal: Panama” 输出: true 解释：“amanaplanacanalpanama” 是回文串

示例 2：输入: “race a car” 输出: false 解释：“raceacar” 不是回文串

提示： 1

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LeetCode_字符串_简单_125.验证回文串

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