reverse-vowels-of-a-string

< Previous 　　　　　　　　　　　　　　　　 Next >

345. Reverse Vowels of a String (Easy)

Given a string s, reverse only all the vowels in the string and return it.

The vowels are 'a', 'e', 'i', 'o', and 'u', and they can appear in both cases.

 

Example 1:

Input: s = "hello"
Output: "holle"

Example 2:

Input: s = "leetcode"
Output: "leotcede"

 

Constraints:

• 1 <= s.length <= 3 * 105
• s consist of printable ASCII characters.

Related Topics

[Two Pointers] [String]

Similar Questions

1. Reverse String (Easy)
2. Remove Vowels from a String (Easy)