abcdabcdab
5
2 2 8 ab
2 1 10 ab
1 3 a
1 4 b
2 1 4 ab

1
3
2

#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
char s[N], t[N];
bitset<N> bs[26], cur;
int main() {
  scanf("%s", s + 1);
  int n = strlen(s + 1);
  for (int i = 1; i <= n; i++) bs[s[i] - 'a'][i] = 1;
  int q;
  cin >> q;
  while (q--) {
    int type;
    scanf("%d", &type);
    if (type == 1) {
      int idx;
      scanf("%d", &idx);
      scanf("%s", t);
      bs[s[idx] - 'a'][idx] = 0;
      s[idx] = t[0];
      bs[s[idx] - 'a'][idx] = 1;
    } else {
      int l, r;
      scanf("%d %d %s", &l, &r, t + 1);
      int m = strlen(t + 1);
      if (r - l + 1 < m) {
        printf("0\n");
        continue;
      }
      cur.reset();
      cur = ~cur;
      for (int i = 1; i <= m; i++) {
        cur &= (bs[t[i] - 'a'] >> (i - 1));
      }
      cur >>= l;
      int ans = cur.count();
      cur >>= (r - l - m + 2);
      ans -= cur.count();
      printf("%d\n", ans);
    }
  }
}
