You need to ensure that new customers enter a valid email address. Which code should you use? (Each correct answer presents part of the solution.
Choose all that apply.)
A. 
B. 
C. 
D. 
Which code should you use?
You need to ensure that new customers enter a valid email address. Which code should you use? (Each correct answer presents part of the solution.
Choose all that apply.)
A.
B.
C.
D.