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Solution: Reverse Vowels of a String

Explore how to solve the problem of reversing only the vowels in a string by applying the two pointers technique. This lesson helps you understand pointer movement strategies and in-place character swapping to efficiently manipulate strings while keeping non-vowel characters fixed.

Statement

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

The vowels are ‘a’‘e’‘i’‘o’, and ‘u’, and they can appear in both lowercase and uppercase, potentially more than once.

Constraints:

  • 11 \leq s.length 3×105 ...