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leetcode-cn/problem (Chinese)/验证回文串 II [valid-palindrome-ii].html Normal file
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<p>给你一个字符串&nbsp;<code>s</code>，<strong>最多</strong> 可以从中删除一个字符。</p>
<p>请你判断 <code>s</code> 是否能成为回文字符串：如果能，返回 <code>true</code> ；否则，返回 <code>false</code> 。</p>
<p>&nbsp;</p>
<p><strong>示例 1：</strong></p>
<pre>
<strong>输入：</strong>s = "aba"
<strong>输出：</strong>true
</pre>
<p><strong>示例 2：</strong></p>
<pre>
<strong>输入：</strong>s = "abca"
<strong>输出：</strong>true
<strong>解释：</strong>你可以删除字符 'c' 。
</pre>
<p><strong>示例 3：</strong></p>
<pre>
<strong>输入：</strong>s = "abc"
<strong>输出：</strong>false</pre>
<p>&nbsp;</p>
<p><strong>提示：</strong></p>
<ul>
<li><code>1 &lt;= s.length &lt;= 10<sup>5</sup></code></li>
<li><code>s</code> 由小写英文字母组成</li>
</ul>