Write a function named isvalidReal() that checks for a valid double-precision nu

ID: 3633045 • Letter: W

Question

Write a function named isvalidReal() that checks for a valid double-precision number. This kind of number can have an optional + or - sign, at most one decimal point (which can be the first character), and at least one digit between 0 and 9. The function should return a Boolean value of true if the entered number is a real number; otherwise, it should return a Boolean value of false.

Examples:

Enter a real number: -23.45
The real number you entered was: -23.45

Enter a real number: qw56
The number you entered is invalid.

Explanation / Answer

Please Rate:- #include #include #include using namespace std; int isvalidReal(string); int main() { string A; bool TOF; coutA; TOF= isvalidReal(A); if(TOF==1) cout

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Write a function named isvalidReal() that checks for a valid double-precision nu

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