module Stringex::StringExtensions::PublicClassMethods

def random(limit)

to avoid confusion between 0 and O.
Returns string of random characters with a length matching the specified limit. Excludes 0 
def random(limit)
  strong_alphanumerics = %w{
    a b c d e f g h i j k l m n o p q r s t u v w x y z
    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
    1 2 3 4 5 6 7 8 9
  }
  Array.new(limit, "").collect{strong_alphanumerics[rand(61)]}.join
end