Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Implement a method to check if a string is a valid palindrome, ignoring case and non-alphanumeric characters.

Medium

Problem Statement

Implement a method to check if a string is a valid palindrome, ignoring case and non-alphanumeric characters.

Sample Input

"A man, a plan, a canal: Panama"

Sample Output

true

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
# Predefined string string = "A man, a plan, a canal: Panama" # Your logic here
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Input
"A man, a plan, a canal: Panama"
Expected Output
true