Change double spaces in text to single spaces

// Change double spaces in text to single spaces.

#include <iostream>
#include <string>
#include <regex>

using namespace std;


int main()
{
    string text("All  double  spaces  in  this text  should be single spaces.");
    regex two_spaces("  "); // This is double space, the pattern we want to fix.

    cout << text << '\n'; // Show text to fix.
    cout << "\nFixing double spaces ...\n";

    // Replace all double spaces with a single space.
    string better_text = regex_replace(text, two_spaces, " ");

    cout << "\nText is fixed:\n";
    cout << better_text << '\n';

    return 0;
}