A dividing line between two domain symbols means you choose one or the other, not both. The number is the Energy cost; the domain symbol below it is the Power cost. You declare and pay for all repetitions upfront when you play the card. Because the card exhausts as part of the cost, you cannot use this ability again until your next turn. For more information on regular expressions refer to the manual page or try an online tutorial, for example IBM Developerworks using regular expressions. This can represent any number of characters (including zero, in other words, zero or more characters). Here, the SQL command selects customers whose last name starts with J followed by zero or more characters. So, the SQL command selects customers whose last_name starts with R followed by zero or more characters after it. Wilds can help create winning combinations by substituting for other symbols (apart from Scatters and Bonus symbols), much like a wildcard in a deck of cards. You’ll have a fresh respect for these small but powerful game-changers by the end. Additionally, multipliers have the ability to increase your winnings in unexpected ways. When…