#include <regex>
#include <string>
#include <iostream>
using namespace std;
int main() {
string s("0.123,0.432,0.123,ABC");
regex r("[^,]+$");
smatch matches;
if (regex_search(s, matches, r)) {
cout<<matches.str();
}
return 0;
}
I2luY2x1ZGUgPHJlZ2V4PgojaW5jbHVkZSA8c3RyaW5nPgojaW5jbHVkZSA8aW9zdHJlYW0+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgppbnQgbWFpbigpIHsKCXN0cmluZyBzKCIwLjEyMywwLjQzMiwwLjEyMyxBQkMiKTsKCXJlZ2V4IHIoIlteLF0rJCIpOwoJc21hdGNoIG1hdGNoZXM7CglpZiAocmVnZXhfc2VhcmNoKHMsIG1hdGNoZXMsIHIpKSB7CiAgICAJY291dDw8bWF0Y2hlcy5zdHIoKTsKCX0KICAgIHJldHVybiAwOwp9