There are provided an image forming method and apparatus in which character string having one or more characters is registered as a regular character string, regular printing for printing the regular character string is instructed, irrespective of whether or not a character string other than the regular character string is being input or edited, and when regular printing is instructed, a regular character string image corresponding to the regular character string is printed as a print image. Irrespective of whether or not another character string is being edited, this construction enables the regular character string image of a registered regular character string to be printed at a desired time point through simple operations, while saving the capacity of the memory device.