GermanNumbers
German numbers is a ruby gem for converting numbers into German strings and vise-versa. It supports numbers up to 999 999 999 999. Also it can handle malformed and invalid strings. See examples below.
Installation
gem install german_numbers
or
gem 'german_numbers' in your Gemfile.
Usage
require 'german_numbers'
GermanNumbers.stringify(213_431_983_111) # => "zweihundertdreizehn Milliarden vierhunderteinunddreißig Millionen neunhundertdreiundachtzigtausendeinhundertelf"
GermanNumbers.parse("zweihundertdreizehn Milliarden vierhunderteinunddreißig Millionen neunhundertdreiundachtzigtausendeinhundertelf") # => 213_431_983_111
GermanNumbers.parse("invalid") # => GermanNumbers::Parser::ParsingError: invalid is not a valid German number
GermanNumbers.valid?("zweihundertdreizehn Milliarden vierhunderteinunddreißig Millionen neunhundertdreiundachtzigtausendeinhundertelf") # => true
GermanNumbers.valid?("invalid") # => falseContributing
You know=)