Josh Mun joshmun23

## Credit Card Validation.markdown

      
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                joshmun23
                / Credit Card Validation.markdown
            
            
              Created
              September 4, 2015 15:49
            
              
                Credit Card Validation
              
          
    Credit Card Validation

A simple credit card validation/identification script for identifying visa, amex, discover, and mastercard as well as Luhn validation.
Forked from Jacob White's Pen Credit Card Validation.
A Pen by David Sok on CodePen.
License.

  
## deaf_grandma
class String
  def upcase?
    self == self.upcase
  end
end

puts "HI THERE, SONNY!!"

while true
  reply = gets.chomp
	class String
	def upcase?
	self == self.upcase
	end
	end

	puts "HI THERE, SONNY!!"

	while true
	reply = gets.chomp