How to mask credit card number show last 4 digits only in report?

Issue a Point Of Sales transaction and payment is made via a credit card. The credit card number is entered into the transaction, user request to mask and display last 4 digits

Step 1: Issue a Point Of Sales transaction and payment is made via a credit card. The credit card number is entered into the transaction.

Step 2: Preview a receipt / invoice, the credit card information is required to only display the last four digit and the others digit are replaced with the * symbol.

Refer to attachment for full steps