# File lib/numerizer/numerizer.rb, line 48 def numerize(string) string = string.dup # preprocess string.gsub!(/ +|([^\d])-([^d])/, '\1 \2') # will mutilate hyphenated-words but shouldn't matter for date extraction string.gsub!(/a half/, 'haAlf') # take the 'a' out so it doesn't turn into a 1, save the half for the end # easy/direct replacements DIRECT_NUMS.each do |dn| string.gsub!(/#{dn[0]}/i, dn[1]) end # ten, twenty, etc. TEN_PREFIXES.each do |tp| string.gsub!(/(?:#{tp[0]})( *\d(?=[^\d]|$))*/i) { (tp[1] + $1.to_i).to_s } end # hundreds, thousands, millions, etc. BIG_PREFIXES.each do |bp| string.gsub!(/(\d*) *#{bp[0]}/i) { (bp[1] * $1.to_i).to_s} andition(string) #combine_numbers(string) # Should to be more efficient way to do this end # fractional addition # I'm not combining this with the previous block as using float addition complicates the strings # (with extraneous .0's and such ) string.gsub!(/(\d+)(?: | and |-)*haAlf/i) { ($1.to_f + 0.5).to_s } string end