filter array string using back_inserter from input chars at any place

Question

I have a textbox & a list of strings (array). I am filtering the list using std::back_inserter :

std::vector<string> upprCase;
....
std::remove_copy_if(
    upprCase.begin(), 
    upprCase.end(), 
    std::back_inserter(filteredList), 
    std::not1(filter(str2)));

Using this, I am able to filter initial chars of the string, but how to filter string with chars at any place?

For example, if upprCase is {abc,bcd,cde} and str2=bc (coming from textbox), I want filteredlist{abc,bcd}

Answer 1

// copies only the items where predicate returns 'false' ... 
std::remove_copy_if(
    upprCase.begin(),
    upprCase.end(),
    std::back_inserter(filteredList),
    [&](const std::string &s){ return (s.find(str2) == std::string::npos); }
);

Or:

// copies only the items where predicate returns 'true' ... 
std::copy_if(
    upprCase.begin(),
    upprCase.end(),
    std::back_inserter(filteredList),
    [&](const std::string &s){ return (s.find(str2) != std::string::npos); }
);