Assume that x is a char variable that has been declared and already given a value. Write an expression whose value is true if and only if x is NOT a letter.

LANGUAGE: Visual Basic

CHALLENGE:

Assume that x is a char variable that has been declared and already given a value. Write an expression whose value is true if and only if x is NOT a letter.

SOLUTION:

((x < "A") Or (x > "Z")) And ((x < "a") Or (x > "z"))

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