兆までの漢数字を半角数字に変換します。 漢数字が続いていたらそれぞれ変換します。

Add this line to your application's Gemfile:

gem 'zen_to_i'

And then execute:

$ bundle

Or install it yourself as:

$ gem install zen_to_i

"hoge".zen_to_i
#=> "hoge"

"一二三".zen_to_i
#=> "123"

"百三".zen_to_i
#=> "103"

"三兆五十二万四十八".zen_to_i
#=> "3000000520048"

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request