Update src/engine/sparqlExpressions/StringExpressions.cpp

Co-authored-by: Johannes Kalmbach <[email protected]>

src/engine/sparqlExpressions/StringExpressions.cpp

@@ -127,7 +127,7 @@ using IriOrUriExpression = NARY<1, FV<std::identity, IriOrUriValueGetter>>;
 [[maybe_unused]] auto strlen = [](std::string_view s) {
   // Count UTF-8 characters by skipping continuation bytes (those starting with
   // "10").
-  auto utf8Len = std::count_if(s.begin(), s.end(), [](char c) {
+  auto utf8Len = std::ranges::count_if(s, [](char c) {
     return (static_cast<unsigned char>(c) & 0xC0) != 0x80;
   });
   return Id::makeFromInt(static_cast<int64_t>(utf8Len));