33   CHECK_NE(delimiters.size(), 0U);  in Split()
52   if (s.size() == 0) {  in Trim()
57   size_t end_index = s.size() - 1;  in Trim()
60   while (start_index < s.size()) {  in Trim()
91   return s.substr(0, prefix.size()) == prefix;  in StartsWith()
99   return s.size() >= prefix.size() && strncasecmp(s.data(), prefix.data(), prefix.size()) == 0;  in StartsWithIgnoreCase()
103   return s.size() >= suffix.size() && s.substr(s.size() - suffix.size(), suffix.size()) == suffix;  in EndsWith()
111   return s.size() >= suffix.size() &&  in EndsWithIgnoreCase()
112          strncasecmp(s.data() + (s.size() - suffix.size()), suffix.data(), suffix.size()) == 0;  in EndsWithIgnoreCase()
116   return lhs.size() == rhs.size() && strncasecmp(lhs.data(), rhs.data(), lhs.size()) == 0;  in EqualsIgnoreCase()
130     result.append(to.data(), to.size());  in StringReplace()
132     start_pos = pos + from.size();  in StringReplace()
134   result.append(s.data() + start_pos, s.size() - start_pos);  in StringReplace()