Read an array from standard input, ignoring brackets and commas

Question

The sample input to my code is:

{ 1, 2, 3, 4 }

I wish to ignore the curly brackets and commas, and read the numbers into an array.

Answer 1

Here's a way to do it:

#include 
#include 
#include 
#include 
#include 

using namespace std;

int main() {
    vector nums;
    for_each(istream_iterator{cin}, istream_iterator{}, [&](string s) {
        s.erase(remove_if(begin(s), end(s), [](char c) { return !isdigit(c); }), end(s));
        if (!s.empty())
            nums.push_back(stoi(s));
    });
    copy(begin(nums), end(nums), ostream_iterator{cout, ", "});
    cout << endl;
}