1. A document editing device comprising: an operation module that receives a character decoration type as a search-target from a user; a display module that displays an editing document which contains character strings; and a control module that searches a character string of the editing document for a character decoration type of the searched character string that is identical to the search-target.
1. A document editing device comprising: an operation module that receives a character decoration type as a search-target from a user; a display module that displays an editing document which contains character strings; and a control module that searches a character string of the editing document for a character decoration type of the searched character string that is identical to the search-target. 13. The document editing device according to claim 1 , wherein the control module sets, to the search-target, a character decoration type of a character string specified in the editing document, by an operation of the operation module by the user.