Reference library

Strings & text

Format, split, join, parse, and clean text — everyday Python string patterns.

1 match
Strings & text easy

How to Check Palindrome in Python (Ignore Case and Spaces)

Check whether a string is a palindrome while ignoring case, spaces, and all non-alphanumeric characters using Python's filter and string reversal.

palindrome string case-insensitive
Python 
def is_palindrome(text: str) -> bool:
    cleaned = ''.join(char.lower() for char in text if char.isalnum())
    return cleaned == cleaned[::-1]

if __name__ == "__main__":
    test_cases = [
        "A man, a plan, a canal: Panama",
        "race a car",
        "Was it a car or a cat I saw?",
        "hello",
      …
14 0 Open

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Strings & text — Python code examples

What you will find here

This page collects strings & text snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

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