English natural language parser for numbers
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Numerouno

Description

English natural language parser for numbers.

  • Parse 'five' to return 5

  • Parse 'seven hundred and fifty two billion, four hundred and twenty million, sixty thousand and forty two' to return 752,420,060,042

  • Parse 'siebenundzwanzig' to have it fail because it doesn't recognise German.

Recognises numbers in the trillions.

How does it all work?

The English language has explicit rules for expressing numbers. Numeruno attempts to recognise strings based on these rules.

Check out wiki.github.com/brentsnook/numerouno for details.

Installation

sudo gem install numerouno

Or grab the code from Github and build yourself:

git clone git://github.com/brentsnook/numerouno.git
cd numerouno
rake install_gem

Synopsis

Just require numerouno to add magical number parsing powers to your strings:

require 'numerouno'
'sixty five'.as_number
  => 65
'65'.as_number
  => 65
'two bit varmint'.sub_numbers
  => '2 bit varmint'

Or if you're a sook who doesn't like the idea of String being opened up:

require 'numerouno-parsing'

Numerouno.parse 'sixty five'
Numerouno.replace 'two bit varmint'

One serving suggestion is to use it to use it with your Cucumber steps.

meaning_steps.rb

require 'numerouno'

When /the meaning of life is (.+)/ do |number|
  42.should == number.as_number
end

meaning_of_life.feature

Then the meaning of life is forty two

License

(The MIT License)

Copyright © 2009 Brent Snook fuglylogic.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.