Postal Code Extractor
Intelligently extract postal codes from text, supporting deduplication, sorting and strict mode, suitable for address information organization, express data processing and other scenarios
Extraction Results
Total 0 postal codesPlease enter text, the system will automatically extract postal codes
Postal Code Extractor Documentation
What is Postal Code Extractor?
Postal Code Extractor can automatically identify and extract all postal codes from text. Widely used in address information organization, express data processing, regional statistical analysis and other scenarios. Supports strict mode (China 6-digit postal codes only) and non-strict mode (supports more international formats), provides deduplication, sorting and other functions.
Core Features
Usage Instructions
Text Input
Paste or enter any text containing postal codes in the input box. Supports address information, express tracking numbers, contact information and any mixed content containing postal codes. The system will identify and extract all postal codes in real-time.
Real-time Extraction
No button click required, the system automatically identifies postal codes after entering text. Strict mode only identifies China 6-digit postal codes, non-strict mode supports more international formats.
Smart Options
Provides deduplication, sorting and strict mode options. Results automatically update when options are changed. Sorting arranges postal codes by numeric value.
Export Function
Supports one-click copy to clipboard, or download as timestamped TXT file for easy import into other tools or data analysis.
Frequently Asked Questions
What is Postal Code Extractor?
Postal Code Extractor can automatically identify and extract all postal codes from text. Widely used in address information organization, express data processing, regional statistical analysis and other scenarios.
What postal code formats can the tool recognize?
Strict mode recognizes China 6-digit postal codes (e.g., 100001, 200000). Non-strict mode supports more international formats, including postal codes with hyphens.
What is the difference between strict mode and non-strict mode?
Strict mode only extracts 6-digit pure numbers that comply with China postal code standards. Non-strict mode will extract more possible postal code formats, but may include some non-postal code numbers.
How does the sorting function work?
Sorting arranges postal codes in ascending order by numeric value, making it convenient to view and analyze postal code distribution by region.
How secure is the data?
All processing is done locally in the browser, no data is uploaded to any server, completely protecting user privacy and address information security.