Strings & text
Format, split, join, parse, and clean text — everyday Python string patterns.
How to Compare Strings with casefold in Python
Compares two strings ignoring case differences using the casefold() method for proper Unicode normalization.
def compare_strings(str1: str, str2: str) -> bool:
return str1.casefold() == str2.casefold()
if __name__ == "__main__":
tests = [
("HELLO", "hello"),
("Straße", "STRASSE"),
("Python", "Python"),
("Mixed Case", "mixed case"),
]
for s1, s2 in tests:
print(f"{s1!r}…How to Compare Two Strings in Python
Compares two string values and returns a detailed report with equality, case-insensitive comparison, lengths, and uppercase versions.
def compare_data(first_value, second_value):
"""Compare two string values and return a report."""
if first_value == second_value:
status = "MATCH"
else:
status = "DIFFER"
return {
"first_value": first_value,
"second_value": second_value,
"status": status,
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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.