string with wild chars

t11e17.stringglobsearch.cpp

// t11e17.stringglobsearch.cpp
// juanfc 2023-11-22
// https://gist.github.com/73ec7f846ec2500fe1c4301c46fbfad1

#include <iostream>
using namespace std;

int glob(string s, string ss, int from=0);

int main()
{
    cout << glob("ejer01.cpp", "ejer??.cpp") << endl;
    cout << glob("ejer01.cpp", ".cpp") << endl;
    return 0;
}

int glob(string s, string ss, int from)
{
    int i = from, j = 0;
    int imax = s.size();
    int sslen = ss.size();
    while (i <= imax and j < sslen) {
        if (ss[j] == '?' or s[i+j] == ss[j]) {
            ++j;
        } else {
            ++i;
            j = 0;
        }
    }
    return (j==sslen)? i : -1;
}