Module: Numerouno::Numbers

Included in:

Search, Substitution

Defined in:

lib/numerouno/numbers.rb

Constant Summary

NUMBER_STRINGS =

the mapping between number strings and numbers needs to be ordered this is to avoid the wrong mapping being picked up i.e /seven/ would match ‘seventy’ before /seventy/

[
  ['sixty', 60],
  ['seventy', 70],
  ['eighty', 80],
  ['ninety', 90],
  ['fourteen', 14],
  ['sixteen', 16],
  ['seventeen', 17],
  ['eighteen', 18],
  ['nineteen', 19],
    
  ['zero', 0],
  ['one', 1],
  ['two', 2],
  ['three', 3],
  ['four', 4],
  ['five', 5],
  ['six', 6],
  ['seven', 7],
  ['eight', 8],
  ['nine', 9],
  ['ten', 10],
  ['eleven', 11],
  ['twelve', 12],
  ['thirteen', 13],
  ['fifteen', 15],
  ['twenty', 20],
  ['thirty', 30],
  ['forty', 40],
  ['fifty', 50],
  
  ['hundred', 100],
  ['thousand', 1000],
  ['million', 1000000],
  ['billion', 1000000000],
  ['trillion', 1000000000000]
]

NUMBER_LOOKUP =

NUMBER_STRINGS.inject(Hash.new) do |hash, map|
  hash[map[0]] = map[1]
  hash
end