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 vote287 views1 answer
Translation codeforces in c++
C++
0 vote300 views1 answer
Disabling console exit button c++
C++
2 votes345 views2 answers
Palindrome checker in c++
C++
3 votes352 views3 answers
C++ string contains
C++
0 vote316 views1 answer
Advanced c++ topics
C++
0 vote300 views1 answer
Windows install cppcheck
C++
0 vote323 views1 answer
Structure of s void function
C++
18 votes325 views3 answers
Sort in descending order c++ stl
C++
6 votes314 views1 answer
Should i learn c or c++
C++
3 votes299 views3 answers
Error handling in C++
C++