Post

[코테] 125. Valid Palindrome

Posted Updated
By Minseok Lee 1 min read

난이도:EasySolved

My Solution

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class Solution:
    def isPalindrome(self, s: str) -> bool:
        L, R = 0, len(s) - 1

        while L < R: 
            if not s[L].isalnum():
                L += 1
                continue
            if not s[R].isalnum():
                R -= 1
                continue

            if s[L].lower() != s[R].lower():
                return False

            L += 1
            R -= 1

        return True
C.Test
LeetCode
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