Valid Palindrome After Filtering | Dataford Interview Questions

Given a string s, determine whether it is a palindrome after removing all non-alphanumeric characters and ignoring letter case. Return True if the cleaned string reads the same forward and backward; otherwise return False.

Constraints

1 <= len(s) <= 2 * 10^5
s may contain English letters, digits, spaces, and punctuation
Non-alphanumeric characters must be ignored
Letter case must be ignored

Function Signature

def is_palindrome(s):

Your question is Valid Palindrome After Filtering. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Constraints

1 <= len(s) <= 2 * 10^5
s may contain English letters, digits, spaces, and punctuation
Non-alphanumeric characters must be ignored
Letter case must be ignored

Function Signature

def is_palindrome(s):

Your question is Valid Palindrome After Filtering. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.