Different programming languages use different notations to represent integers. Construct a regular
expression for each one of the following:
(a) Nonnegative integers in C represented in bases 10 and 16.
(b) Currency, in dollars, is represented as a positive decimal number rounded to the nearest onehundredth.
Such numbers begin with the character $, have commas separating each group of
three digits to the left of the decimal point, and end with two digits to the right of the decimal
point, for example, $8,937.43 and $7,777,777.77.
Question-

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