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qickstarter/gist:9030423

Created February 16, 2014 07:11
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gistfile1.rb
test = {
/^a$/ => 'aa',
/^b+/ => 'bb',
/^c+$/ => 'cc',
}
test_array = test.to_a
keys = test.keys.map.with_index { |v, index| "(#{v.source})" }
matcher = Regexp.new(keys.join('|'))
if matcher =~ 'ccc'
index = $~[1..-1].rindex($~[0])
p test_array[index][1] #=> 'cc'
end
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