Маска данных

Данные masking (also known as data obfuscation or data anonymization) is ... process of hiding or replacing sensitive data с placeholder characters such as asterisks (*). It protects personal inдляmation like phone numbers, email addresses, ID card numbers, и credit card numbers while maintaining ... data дляmat для отображения or testing purposes.

Select a masking type (Phone, Email, ID Card, Credit Card, Bank Card, Name, Address, or Custom), ...n enter ... data you want to mask — one item per line. Click ... Mask button to process. The tool will detect matching patterns и replace ... sensitive portions с asterisks. You can load sample data by clicking ... Example button.

Phone: Masks ... middle 4 digits of phone numbers (e.g., 138****5678). Email: Keeps ... first 2 characters и masks ... rest перед ... @ symbol (e.g., zh***@example.com). ID Card: Masks ... middle portion of ID numbers (e.g., 110101********1234). Credit Card: Shows only ... last 4 digits (e.g., **** **** **** 0001). Bank Card: Shows only ... last 4 digits (e.g., **********0123). Name: Keeps ... first и last characters для longer names (e.g., Z***g). Address: Keeps roughly 30% at ... start и 20% at ... end. Custom: Define your own regex pattern и replacement строку.

For advanced use cases, select ... Custom type и provide a JavaScript-compatible regular expression pattern и replacement строку. The replacement supports capture groups using $1, $2, etc. For example, pattern (\d{3})\d+(\d{3}) с replacement $1****$2 will keep ... first и last 3 digits while masking ... middle.