for log in production.log-20190808.gz;
  do
    FILENAME=${log%???}
    gunzip $log
    REGXP='.\"number\"\=\>\"[0-9]+\"\,\ \"expiration\"\=\>\"[0-9]+\/\[0-9]+\"\,\ \"cvc\"\=\>\"[0-9]+\" --color -E}'
    RESULT=${cat FILENAME | grep ${REGXP}}
    echo $RESULT
    gzip $FILENAME
done