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root42/last_index_of.hh

Last active August 25, 2023 14:26
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C++ string last_index_of similar to Java lastIndexOf
Raw
last_index_of.hh
template<typename T>
typename T::size_type
last_index_of(const T &s, const T &q)
{
typename T::size_type
pos = std::string::npos,
res = std::string::npos;
while( (pos = s.find(q, (pos == std::string::npos ? 0 : pos + q.size()))) != T::npos) {
res = pos;
}
return res;
}
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