Write a C++ program using Selection Statements, Loop, Arrays, Structs, Pointers, Funtions, and OOP ONLY that would implement the function called filter which accepts a string f that contains numbers and letters mixed up. The function must return an integer corresponding to the numbers in f in the order that they appear. If there are no numbers in f, the function should return O. Assume that all the inputs are strings (no need for try-catch method) EXAMPLE OF THE OUTPUT OR TERMINAL: filter('321') = 321 filter('fndjksanfjka") = 0 filter('nfeu 1d8d1d3 adas7') = 18137

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Write a C++ program using Selection Statements, Loop, Arrays, Structs, Pointers, Funtions,
and OOP ONLY that would implement the function called filter which accepts a string f that
contains numbers and letters mixed up. The function must return an integer corresponding
to the numbers in f in the order that they appear. If there are no numbers in f, the function
should return O. Assume that all the inputs are strings (no need for try-catch method)
EXAMPLE OF THE OUTPUT OR TERMINAL:
filter('321') = 321
filter('fndjksanfjka") = 0
filter('nfeu 1d8d1d3 adas7') = 18137
Transcribed Image Text:Write a C++ program using Selection Statements, Loop, Arrays, Structs, Pointers, Funtions, and OOP ONLY that would implement the function called filter which accepts a string f that contains numbers and letters mixed up. The function must return an integer corresponding to the numbers in f in the order that they appear. If there are no numbers in f, the function should return O. Assume that all the inputs are strings (no need for try-catch method) EXAMPLE OF THE OUTPUT OR TERMINAL: filter('321') = 321 filter('fndjksanfjka") = 0 filter('nfeu 1d8d1d3 adas7') = 18137
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