Chinese Phone Number Regex for Python

What this pattern does

This page provides a well-structured, multi-part regular expression for matching chinese phone number, 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

# Chinese Phone Number
# ReDoS-safe | RegexVault — Localization > Phone Numbers

import re

chinese_phone_number_pattern = re.compile(r'^(?:\+86[\s.-]?)?(?:1[3-9][0-9]{9}|0[1-9][0-9]{1,2}[\s.-]?[0-9]{8})$')

def validate_chinese_phone_number(value: str) -> bool:
    return bool(chinese_phone_number_pattern.fullmatch(value))

# Example
print(validate_chinese_phone_number("+86 13812345678"))  # True

Test Cases

When to use this pattern

This pattern is drawn from the Localization > Phone Numbers 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

Chinese mobile numbers: 11 digits starting with 13x-19x (135 ranges now used). Area codes: 010 (Beijing), 021 (Shanghai), 020 (Guangzhou). +86 is the country code. Hong Kong (+852) and Macau (+853) have different formats.