A plugin to validate or identify card numbers & cvv with ease.
This flutter package will help you validate card numbers or CVVs and identiy card issuing provider with minimal code and efforts.
- simple and easy
- up-to-date with Wikipedia
- no other dependencies
- well documented
Cardidy written in C#.This package is a Flutter port of original package
NOTE: The closer we are to an official spec is the Wikipedia’s Payment card number page.
dependencies: flutter_cardidy: ^1.0.0
Add the dependency to your project and start using Flutter Cardidy everywhere:
Import the package.
To validate and identify card’s issuing provider
// single card number identification final result = FlutterCardidy.identify("4127540509730813"); Console.WriteLine(result.first); // print Visa
Multi card identification
// returns a KVP Map of, cardnum as key & result as value final mapResult = FlutterCardidy.identifyMultiple(["4127540509730813","4771320594031"]);
var cvv = "123"; var visaCvvIsValid = FlutterCardidy.isCvvValid(cvv, CardType.Visa);
Validating card number without identification
var isCardValid = FlutterCardidy.isCardNumberValid("47!Z320594033");
Return type of
List<CardType>. A card is sometimes a co-branded card like Visa or Visa Electron, in this case all matching providers are returned.
|cardNumString (required)||String||–||Your card number input string|
|validateLength||bool||true||Validate the length as part of the String identification.
A false value can be useful to identify the fragment of a card number.
|ignoreNoise||bool||false||Ignore common noise found in card number. This noise is any of
|handleAnonymization||bool||false||Set any non-digits to zero. It is common to use “X” and “#” to hide some digits.|
Help me by reporting bugs, submit new ideas for features or anything else that you want to share.
- Just write an issue on GitHub. ✏️
- And don’t forget to hit the like button for this package ✌️
Check out my other useful packages on pub.dev