Pan masker

A simple gem to scan a string, find and mask mastercard, visa and verve credit/debit card pans.

Installation

1. Add pan_masker to your Gemfile as you normally would do with any bundler powered gem.

    gem 'pan_masker'
   

2. Run a bundle install on your project

    bundle install
   

3. Require pan_masker in your controller or helper classes

    require 'pan_masker'
   

Usage

1. Find and mask all card type pans found in string supplied

    Pan_masker.mask('string to be scanned')
   

2. Find and mask specific card type pans

    Pan_masker.mask('string to be scanned','card type')
   

###Supported card types

Mastercard , Visa , Verve , Maestro and ChinaUnionPay

How it works

The gem scans a string block for pans of lenght 16 (mastercard and visa) and 19 and masks them