Program to Remove all Characters in a String Except Alphabets.

#include <iostream>
using namespace std;

int main() {
    string line;
    string temp = "";

    cout << "Enter a string: ";
    getline(cin, line);

    for (int i = 0; i < line.size(); ++i) {
        if ((line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z')) {
            temp = temp + line[i];
        }
    }
    line = temp;
    cout << "Output String: " << line;
    return 0;
}

Output

Enter a string: p2'r"o@gram84iz./
Output String: programiz