g An alternative to using regular expressions to check that an input string is valid is to write your own code to check the input. What the advantages and disadvantages of using this approach

Which of these is a benefit of using objects in a powerpoint presentation? a. collaborators can create the external files while you create and edit the slide show. b. you can easily change the theme and design of the presentation. c. you can have older data in the source file while having up-to-date data in the presentation. d. collaborators can easily share the presentation.