From: 7stud -- <lists@...>
Date: 2012-12-05T04:50:10+09:00
Subject: Re: Extract number (float) from string

prices = [
  '$ 5.99/LB',
  '$5.99 /LB',
  '5.99 / lb',
]

results = prices.map do |str|
  str.match(/[.\d]+/)[0].to_f
end

p results

--output:--
[5.99, 5.99, 5.99]

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