German / Central European Date (DD.MM.YYYY) Regex for Python

What this pattern does

This page provides a well-structured, multi-part regular expression for matching german / central european date (dd.mm.yyyy), ported and verified for Python. A rigorously tested regex reduces debugging time and protects your application from edge-case failures. The snippet below is ready to drop into your Python project — whether you're validating in a Django view, a FastAPI endpoint, or a standalone data processing script.

Python Implementation

# German / Central European Date (DD.MM.YYYY)
# ReDoS-safe | RegexVault — Localization > Date Formats

import re

german_central_european_date_ddmmyyyy_pattern = re.compile(r'^(0?[1-9]|[12][0-9]|3[01])\.(0?[1-9]|1[0-2])\.((?:19|20)[0-9]{2})$')

def validate_german_central_european_date_ddmmyyyy(value: str) -> bool:
    return bool(german_central_european_date_ddmmyyyy_pattern.fullmatch(value))

# Example
print(validate_german_central_european_date_ddmmyyyy("15.01.2024"))  # True

Test Cases

When to use this pattern

This pattern is drawn from the Localization > Date Formats category and carries a ReDoS-safe certification. That matters for Python developers because particularly important in Python web servers where CPU-bound regex operations can stall concurrent request handling. RegexVault audits patterns against known backtracking attack vectors, ensuring you have the necessary context before using this regex in a high-stakes production environment.

Common Pitfalls

Technical Notes

Dot-separated format is used in Germany, Austria, Switzerland, Netherlands, Poland, Russia, and parts of Scandinavia. Capture groups: 1=day, 2=month, 3=year.