reverse-vowels-of-a-string

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Algorithms

Given a string <code>s</code>, reverse only all the vowels in the string and return it.

The vowels are <code>&#39;a&#39;</code>, <code>&#39;e&#39;</code>, <code>&#39;i&#39;</code>, <code>&#39;o&#39;</code>, and <code>&#39;u&#39;</code>, and they can appear in both lower and upper cases, more than once.

&nbsp;
Example 1:

<div class="example-block">
Input: s = &quot;IceCreAm&quot;

Output: &quot;AceCreIm&quot;

Explanation:

The vowels in <code>s</code> are <code>[&#39;I&#39;, &#39;e&#39;, &#39;e&#39;, &#39;A&#39;]</code>. On reversing the vowels, s becomes <code>&quot;AceCreIm&quot;</code>.
</div>

Example 2:

<div class="example-block">
Input: s = &quot;leetcode&quot;

Output: &quot;leotcede&quot;
</div>

&nbsp;
Constraints:

<ul>
	<li><code>1 &lt;= s.length &lt;= 3 * 105</code></li>
	<li><code>s</code> consist of printable ASCII characters.</li>
</ul>

reverseVowels

Reverse Vowels of a String

Reverse String

reverse-string

反转字符串

Remove Vowels from a String

remove-vowels-from-a-string

删去字符串中的元音

Faulty Keyboard

faulty-keyboard

故障键盘

Sort Vowels in a String

sort-vowels-in-a-string

将字符串中的元音字母排序

Two Pointers

String

给你一个字符串 <code>s</code> ，仅反转字符串中的所有元音字母，并返回结果字符串。

元音字母包括 <code>'a'</code>、<code>'e'</code>、<code>'i'</code>、<code>'o'</code>、<code>'u'</code>，且可能以大小写两种形式出现不止一次。

&nbsp;

示例 1：

<div class="example-block">
输入：s = "IceCreAm"

输出："AceCreIm"

解释：

<code>s</code>&nbsp;中的元音是&nbsp;<code>['I', 'e', 'e', 'A']</code>。反转这些元音，<code>s</code> 变为&nbsp;<code>"AceCreIm"</code>.
</div>

示例 2：

<div class="example-block">
输入：s = "leetcode"

输出："leotcede"

&nbsp;
</div>

提示：

<ul>
	<li><code>1 &lt;= s.length &lt;= 3 * 105</code></li>
	<li><code>s</code> 由 可打印的 ASCII 字符组成</li>
</ul>