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Strings & text

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

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Strings & text easy

How to Detect Expired Domains Using Python

Parse a list of domain registration data and compare expiry dates to today to find expired domains.

datetime date-parsing domain-check
Python
import datetime

# List of test domains with fake registration and expiry dates
# Format: (domain, registration_date, expiry_date)
test_domains = [
    ('example.com', '2020-01-15', '2024-01-15'),  # Expired
    ('google.com', '1997-09-15', '2026-09-15'),   # Still active
    ('test-site.org', '2019-06-01', '2023-06-0…
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Strings & text — Python code examples

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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.

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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.