File: format.cc

package info (click to toggle)
c%2B%2B-annotations 10.6.0-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 10,536 kB
  • ctags: 3,247
  • sloc: cpp: 19,157; makefile: 1,521; ansic: 165; sh: 128; perl: 90
file content (24 lines) | stat: -rw-r--r-- 498 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
#include <string>
#include <iostream>
#include <regex>
#include <iterator>

using namespace std;

int main()
{
//start
    regex re("([[:alpha:]]+)\\s+(\\d+)");  // letters blanks digits

    smatch results;
    string target("this value 1024 is interesting");

    if (not regex_search(target, results, re))
        return 1;
//=
    results.format(ostream_iterator<char>(cout, ""), string("$2"));
    cout << '\n';

    string reverse(results.format("$2 and $1"));
    cout << reverse << '\n';
}