#! ruby -Ku
require "kconv"

def check(str)
  if /((\d+)(yen))/ =~ str then
    print(Kconv.tosjis("○") + str + "\n")
    print("  [" + $1 + "]\n")
    print("  [" + $2 + "]\n")
    print("  [" + $3 + "]\n")
  else
    print(Kconv.tosjis("×") + str + "\n")
  end
end

print(Kconv.tosjis("((\d+)(yen)) にマッチするかどうか\n\n"))

check("1980yen")
check("340yen")