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Write a function in C++ that takes a string as a parameter and replaces all the digits in the string with'_'. The string will be passed through reference so keep the return type as void.

Write a function in C++ that takes a string as a parameter and replaces all the digits in the string with'_'. The string will be passed through reference so keep the return type as void.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Write a function in C++ that takes a string as a parameter and replaces all the digits in the string with' '. The string will be passed through reference so keep the return type as void.
Transcribed Image Text:Write a function in C++ that takes a string as a parameter and replaces all the digits in the string with' '. The string will be passed through reference so keep the return type as void.
Expert Solution
CODE IN C++

//Import iostream and cctype
#include <iostream>
#include <cctype>

using namespace std;

//replace digit with _ method
//taking str as parameter
void replaceDigits(std::string *str)
{
    //starting with i = 0
    int i = 0;
    //iterating through each character in string 
    for (int i = 0; i < str->length(); ++i) {
        //if current character is digit then replace it with _
        if(isdigit(str->at(i)))
        {
            str->replace(i, 1, "_");
        }
    }
}

//main driver method
int main()
{
    //creating string
    std::string str = "Hello10World12";
    //calling replace digit method
    replaceDigits(&str);
    
    //printing updated string 
    std::cout << str;
    return 0;
}

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