out

1.9.3 (main):0 > a
=> [
  [0] 1,
  [1] "1",
  [2] "1.1",
  [3] "a",
  [4] "-1",
  [5] "-2.2"
]
1.9.3 (main):0 > b
=> {
  :a => 1,
  :b => "1",
  :c => "1.1",
  :d => "a",
  :e => "-1",
  :f => "-2.2"
}
1.9.3 (main):0 > numberize a
=> [
  [0] 1,
  [1] 1,
  [2] 1.1,
  [3] "a",
  [4] -1,
  [5] -2.2
]
1.9.3 (main):0 > numberize b
=> {
  :a => 1,
  :b => 1,
  :c => 1.1,
  :d => "a",
  :e => -1,
  :f => -2.2
}
1.9.3 (main):0 > 

rb.rb

def numberize(q)
  def convert(s)
    if s =~ /^-?\d+$/m
      s.to_i 
    elsif s =~ /^[-+]?\d+\.?\d+$/m
      s.to_f
    else
      s
    end
  end
  if q.class == Hash
    q.each do |key, value|
      q[key] = convert(value)
    end
  elsif q.class == Array
    q.map! { |s|
      convert(s)
    }
  end
end