Maven Version (Java) Regex for Python

What this pattern does

This page provides a comprehensive, battle-tested regular expression for matching maven version (java), 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

# Maven Version (Java)
# ReDoS-safe | RegexVault — Dev & Systems > SemVer

import re

maven_version_java_pattern = re.compile(r'^([0-9]+)\.([0-9]+)\.?([0-9]*)(?:[.\-]([a-zA-Z][a-zA-Z0-9\-]*))?(?:[.\-]([0-9]+))?$')

def validate_maven_version_java(value: str) -> bool:
    return bool(maven_version_java_pattern.fullmatch(value))

# Example
print(validate_maven_version_java("1.0"))  # True

Test Cases

When to use this pattern

This pattern is drawn from the Dev & Systems > SemVer 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

Maven version ordering is complex and does not follow strict SemVer rules. Qualifiers like SNAPSHOT, RELEASE, alpha, beta, RC have defined ordering in Maven. Use Maven's own ComparableVersion for reliable comparison.