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;
}