#! ruby -Ku
require "kconv"

def check1(str)
  if /(?!0000)\d\d\d\d/ =~ str then
    print(Kconv.tosjis("○") + str + "(" + $& + ")\n")
  else
    print(Kconv.tosjis("×") + str + "\n")
  end
end

def check2(str)
  if /(?!0000)(?!9999)\d\d\d\d/ =~ str then
    print(Kconv.tosjis("○") + str + "(" + $& + ")\n")
  else
    print(Kconv.tosjis("×") + str + "\n")
  end
end

print(Kconv.tosjis("/(?!0000)\\d\\d\\d\\d/ にマッチするかどうか\n"))
check1("1234")
check1("9999")
check1("0000")
check1("802")

print("\n")
print(Kconv.tosjis("/(?!0000)(?!9999)\\d\\d\\d\\d/ にマッチするかどうか\n"))
check2("1234")
check2("9999")
check2("0000")
check2("802")