module Spring::OkJson

def numtok(s)
  m = /-?([1-9][0-9]+|[0-9])([.][0-9]+)?([eE][+-]?[0-9]+)?/.match(s)
  if m && m.begin(0) == 0
    if !m[2] && !m[3]
      [:val, m[0], Integer(m[0])]
    elsif m[2]
      [:val, m[0], Float(m[0])]
    else
      [:val, m[0], Integer(m[1])*(10**Integer(m[3][1..-1]))]
    end
  else
    []
  end
end