| 摘要 |
When a character string constructed with words which are separated by a predetermined letter symbol is input and confirmed, a set of words is registered in a memory, which has, as elements, all words included in the input character string. Meanwhile, with respect to a character string being inputted, a set of words including an exact-match word or a partial-match word of the character string is acquired from the set of words registered in the memory. A supplement candidate character string of the character string being inputted is generated based on the acquired set of words, and exhibited to a user. Thus, upon input operation of a character string, the burden on the user can be reduced.
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