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flutter_multi_formatter package
documentation
formatters/credit_card_number_input_formatter.dart
CardSystem
AMERICAN_EXPRESS constant
AMERICAN_EXPRESS constant
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AMERICAN_EXPRESS
constant
String
const
AMERICAN_EXPRESS
Implementation
static const String AMERICAN_EXPRESS = 'Amex';
flutter_multi_formatter package
documentation
formatters/credit_card_number_input_formatter
CardSystem
AMERICAN_EXPRESS constant
CardSystem class