脑残集（1）把一个字符串内的正整数相加

 1 #include "string"
 2 typedef std::basic_string<TCHAR> tstring;
 3 int _tmain(int argc, _TCHAR* argv[])
 4 {
 5
 6     tstring str= _T("没2有60最脑40残只有100更脑残!5");
 7     const tstring numSet = _T("0123456789");
 8     tstring::size_type pos = str.find_first_of(numSet);
 9     int iFinal(0);
10     while (str.npos != pos){
11         tstring::size_type pos2 = str.find_first_not_of(numSet, pos);
12         tstring strNum = str.substr(pos, pos2 - pos);
13         int iNum = _ttoi(strNum.c_str());
14         iFinal += iNum;
15         pos = str.find_first_of(numSet, pos2);
16     }
17
18     return 0;
19 }