上代码
例:
源数据 ： a10b123cc45啊4859
解析后：10 123 45 4858
#include<list> #include<vector> #include<string> #include<iostream> using namespace std; list<int> GetStringByNumArr(string str); int main() { while (true) { cout << "请输入字符串" << endl; string str; cin >> str; list<int> nums = GetStringByNumArr(str); for (list<int>::iterator it = nums.begin(); it != nums.end(); it++) { cout << *it << endl; } } system("pause"); return 0; } char numarr[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', }; list<int> GetStringByNumArr(string str) { list<int> numlist; int startIndex = 0; while (startIndex != -1) { vector<char> tempnum; startIndex = -1; for (size_t i = 0; i < str.length(); i++) { for (size_t j = 0; j < (sizeof(numarr) / sizeof(numarr[0]) - 1); j++) { if (str[i] == numarr[j]) { startIndex = i; break; } } if (startIndex != -1) { tempnum.push_back(str[startIndex]); int tempindex = 0; //向下查找数据 char tempchar = str[startIndex + (tempindex += 1)]; //表示为数字 while (int(tempchar - 48) >= 0 && int(tempchar - 48) <= 9) { tempnum.push_back(tempchar); tempchar = str[startIndex + (tempindex += 1)]; } //删除查询到的数据 str.erase(startIndex, tempindex); break; } } if (!tempnum.empty()) { //cout << "tempnum : " << string(tempnum.begin(), tempnum.end()) << endl; numlist.push_back(stoi(string(tempnum.begin(), tempnum.end()))); } } return numlist; }
