98 std::string Regex::sub(StringRef Repl, StringRef String,  in sub()  argument
114   while (!Repl.empty()) {  in sub()
116     std::pair<StringRef, StringRef> Split = Repl.split('\\');  in sub()
123       if (Repl.size() != Split.first.size() &&  in sub()
130     Repl = Split.second;  in sub()
133     switch (Repl[0]) {  in sub()
136       Res += Repl[0];  in sub()
137       Repl = Repl.substr(1);  in sub()
143       Repl = Repl.substr(1);  in sub()
147       Repl = Repl.substr(1);  in sub()
154       StringRef Ref = Repl.slice(0, Repl.find_first_not_of("0123456789"));  in sub()
155       Repl = Repl.substr(Ref.size());  in sub()