Cpp string find all occurence

Find all occurrences of a substring in a string c++

#include <string>
#include <iostream>

using namespace std;

int main()
{
    string s("hello hello");
    int count = 0;
    size_t nPos = s.find("hello", 0); // first occurrence
    while(nPos != string::npos)
    {
        count++;
        nPos = s.find("hello", nPos + 1);
    }

    cout << count;
};

Source: stackoverflow.com

Cpp string find all occurence

string str,sub; // str is string to search, sub is the substring to search for

vector<size_t> positions; // holds all the positions that sub occurs within str

size_t pos = str.find(sub, 0);
while(pos != string::npos)
{
    positions.push_back(pos);
    pos = str.find(sub,pos+1);
}

Source: stackoverflow.com

Similar codes

0 vote169 views1 answer
Pros millis()
C++
1 vote173 views3 answers
For vector c++
C++
19 votes161 views1 answer
File objects in c++
C++
0 vote187 views1 answer
How to get steam id c++
C++
0 vote182 views4 answers
How to modify 2d array in function c++
C++
1 vote173 views1 answer
Sfml mouse click
C++
5 votes164 views1 answer
Master library in c++
C++
1 vote169 views1 answer
Cpp float to string
C++
7 votes182 views2 answers
System cls c
C++
5 votes125 views4 answers
Int length c++
C++