Exercise : Sandwich Order (by Katlyn Edwards)

order.html allows the user to order a sandwich. Modify order-submit.php to use regular expressions to validate the order. If the order is invalid, kill the page with a brief error message. (sample solution)

• Tip amount must be a non-negative real number with two digits after the decimal
• State must be a two-digit string of letters
• Address must begin with an integer followed by words, such as "1234 Fifth St"
• Sandwich type must be one of Turkey, Ham, BLT, or Roast Beef

Exercise Solution

• order-submit.php