Message Character String Output System, Its Control Method, And Information Storage Medium

摘要

A message string output system which allows increased input motivation of a user with respect to a specific string is provided. A point information storage (48) stores point information in correspondence with user identification information. A specific string storage (44) stores a specific string. A user identification information acquiring unit (34) acquires user identification information corresponding to a message string which is input by an input unit (30). A judging unit (36) judges whether or not the message string which is input by the input unit (30) contains the specific string stored in the specific string storage (44). A point information updating unit (40) updates, based on a judgment result by the judging unit (36), point information stored in the point information storage (48) in correspondence with the user identification information acquired by the user identification information acquiring unit (34).