Function find_escapes

crawl-ref/source/stringutil.cc:496–504

}

set<size_t> find_escapes(const string &s)
{
    set<size_t> ret;
    size_t i = 0;
    while ((i = s.find("\\", i)) != string::npos)
        if (i < s.size())
            ret.insert(++i);
    return ret;
}

string deescape(string s, const set<size_t> &escapes)
{