- Valid Palindrome
125. Valid Palindrome
문제
Given a string
s
, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
조건
- $1 \le s.length \le 2 * 10^{5}$
- s consists only of printable ASCII characters.
예제
Example 1:
Input: s = "A man, a plan, a canal: Panama"
Output: true
Explanation: "amanaplanacanalpanama" is a palindrome.
Example 2:
Input: s = "race a car"
Output: false
Explanation: "raceacar" is not a palindrome.
해결
1st
1 코드