You could add more

[ChisAdrian]

before/after Last/First Cha
Example
std::string beforeLastChar(const std::string& str, char target) {
size_t lastPos = str.find_last_of(target);

if (lastPos != std::string::npos) {
    return str.substr(0, lastPos);
}

return str; // Return the whole string if the character is not found

}

[tgalaj]

Thank you for your suggestion. Feel free to make a pull request out of it and please link this issue to the PR.