Disclosed is a replay apparatus including a reading unit, a display control unit, a storage unit to store a predetermined display limited letter string and a judging unit to judge whether the predetermined display limited letter string stored in the storage unit exists in the letter string which is based on the text data constituting the predetermined replay data read by the reading unit or not, and when the judging unit judges that the predetermined display limited letter string stored in the storage unit exists in the letter string which is based on the text data constituting the predetermined replay data read by the reading unit, the display control unit carries out a predetermined process to the judged display limited letter string in order not to display the judged display limited letter string in the predetermined display apparatus.