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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4. int main()
  5. {
  6.     cout << "Enter a string:\n";
  7.     string array_1;
  8.     getline(cin, array_1);
  9.  
  10.     cout << "Enter a string you want to find:\n";
  11.     string ch;
  12.     getline(cin, ch);
  13.  
  14.     cout << "Enter a string you wish to replace " << ch << " with:\n";
  15.     string ch2;
  16.     cin >> ch2;
  17.  
  18.     for(size_t pos = array_1.find(ch); pos != std::string::npos;
  19.                pos = array_1.find(ch, pos))
  20.     {
  21.         array_1.replace(pos, ch.size(), ch2);
  22.         pos += ch2.size();
  23.     }
  24.  
  25.     cout << "Here is the new string: " << array_1 << '\n';
  26. }
  27.  
Success #stdin #stdout 0.02s 2860KB
comments (?)
stdin 
abcllo abcre I am
abc
he
stdout 
Enter a string:
Enter a string you want to find:
Enter a string you wish to replace abc with:
Here is the new string: hello here I am
https://ideone.com/4qCud
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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