--- a/re2/re2.cc	(index)
+++ b/re2/re2.cc	(working tree)
@@ -1050,6 +1050,13 @@ bool Parse(const char* str, size_t n, std::string* dest) {
   return true;
 }
 
+template <>
+bool Parse(const char* str, size_t n, TString* dest) {
+  if (dest == NULL) return true;
+  dest->assign(str, n);
+  return true;
+}
+
 template <>
 bool Parse(const char* str, size_t n, absl::string_view* dest) {
   if (dest == NULL) return true;
--- a/re2/re2.h	(index)
+++ b/re2/re2.h	(working tree)
@@ -794,6 +794,7 @@ template <typename T> struct Parse3ary : public std::false_type {};
 template <> struct Parse3ary<void> : public std::true_type {};
 template <> struct Parse3ary<std::string> : public std::true_type {};
 template <> struct Parse3ary<absl::string_view> : public std::true_type {};
+template <> struct Parse3ary<TString> : public std::true_type {};
 template <> struct Parse3ary<char> : public std::true_type {};
 template <> struct Parse3ary<signed char> : public std::true_type {};
 template <> struct Parse3ary<unsigned char> : public std::true_type {};