Problem Description: Write a function isValidDouble to validate the format for a real number which has been entered usin
dr.two
Question
Problem Description:
Write a function isValidDouble to validate the format for
a real number which has been entered using the keyboard.
Test your function using the following test cases:
-23486.33
67425
$24576.79
54,765.98
76.543.20
Write a function readDouble that uses isValidDouble.
Demonstrate your function.
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