PDX Ruby Hangman Gist Rev 1 vs Rev 2

hangman.rb

#!/usr/bin/env ruby

require 'benchmark'

def normalize(s)
    s.upcase.gsub(/[^A-Z0-9]/,'')
end

def equal_if_you_squint_rev1(s1, s2)
  s1 = normalize(s1)
  s1 = normalize(s2)

  s1.chars.all? {|c| s2.sub! /.*?#{c}/,''}
end

def equal_if_you_squint_rev2(s1, s2)
  s1 = normalize(s1)
  s1 = normalize(s2)

  !!s2.match(/#{s1.split(//).join('.*')}/)
end

Benchmark.bm do |x|

  def test(x, s1,s2)
    x.report("#{s1} vs #{s2} rev 1".rjust(40)) { (0..20000).each { equal_if_you_squint_rev1(s1, s2)} }
    x.report("#{s1} vs #{s2} rev 2".rjust(40)) { (0..20000).each { equal_if_you_squint_rev2(s1, s2)} }
  end

  test x, 'co2_saved', 'CO2 saved'
  test x, 'kamp_rated','E-Total'
  test x, 'eng_type',  'Engine Type'
  test x, 'max_temp',  'Max Temperature'
  test x, 'max_rpm',   'Max RPM'
  test x, 'total_hp',  'Power'
  test x, 'power_on',  'Power On'
  test x, 'mpg_city',  'Rebate'
  test x, 'temp',      'Temperature'
  test x, 'fos_c1',    'F.O.S. (C-1)'
  test x, 'fos_c2',    'F.O.S.C. #2'
end