小编Mat*_*Man的帖子

码:

#include <iostream>
#include <string>

using namespace std;

string expand(string mask);

int main()
{
    string tiny = "blah blah [a-e] blah blah";
    string lengthy = "blah blah [a-i] blah blah";
    cout << expand(tiny) << endl;
    cout << expand(lengthy) << endl;
    return 0;
}


string expand(string mask)
{
    int i, range;

    /* find the first bracket, grab start letter */
    unsigned int bracket = mask.find("[");
    char start = mask[bracket + 1];

    /* point iterator at first bracket */
    string::iterator here = …