module ASIN

String validation for ASIN codes Ref: www.amazon.com/gp/seller/asin-upc-isbn-info.html

Public Instance Methods

asin?() click to toggle source 
# File lib/gtin_extras/asin.rb, line 4
def asin?
  return false unless length == 10
  return true if gsub(/[^a-zA-Z0-9]/, '') == to_s
  false
end