Display input device judging character strings for same character strings therein and displaying judged same character strings according to a criterion and display method thereof and image forming apparatus provided therewith

摘要

A display input device 1 includes: a display part 11 displaying character string regions; an input part 12 accepting operation; a storage part 18 storing data including data for an image; and a display control part 10 controlling the display at the display part. The display control part 10 judges whether or not, of the character string regions, the adjacent character string regions include the same character string, and if they include the same character string, makes the display part highlight characters other than the same character string.