holyshared / creditcard

Credit card detection

Credit Card

Basic usage

Detects the applicable brand from the card number. The card number may be masked, you should use the masked number as much as possible to use the card number safely.

open CreditCard.Brand

match Detect "4111************" with
	| Some brand -> printfn "%s" brand.Name
	| None -> printfn "The card brand was not found"

open CreditCard.Brand

match DetectFrom [VISA; MasterCard] "4111************" with
	| Some brand -> printfn "%s" brand.Name
	| None -> printfn "The card brand was not found"

Be especially careful when handling card numbers on the server side, there is a risk of letting out the card number out.

Support card brand

Currently this package can identify the following card brands.

• VISA
• MasterCard
• AmericanExpress
• JCB
• DinersClub

Build

MacOS

NuGet package

1. Installing NuGet & Mono Framework

    brew install mono
   
    mkdir ~/bin
    cd bin
    wget https://dist.nuget.org/win-x86-commandline/latest/nuget.exe
   

2. Build projects

    xbuild /p:Configuration=Release CreditCard.sln
   

3. Build NuGet package

    mono ~/bin/nuget.exe pack CreditCard/CreditCard.fsproj -properties Configuration=Release
   

or

make setup
make build

creditcard's Issues

Functor....

http://stackoverflow.com/questions/2370240/would-you-please-explain-ocaml-functors-to-me

Update BIN range

Current: 510000 – 559999
2017-7 later: 222100 – 272099

http://newsroom.mastercard.com/asia-pacific/ja/news-briefs/bin-range/