diff --git a/es2panda/lexer/regexp/regexp.cpp b/es2panda/lexer/regexp/regexp.cpp
index fb65177d4461562d7ae66f152cd8e002e7eef49d..630555df5459a7a886401b3ee56acbd6fb425acd 100644
--- a/es2panda/lexer/regexp/regexp.cpp
+++ b/es2panda/lexer/regexp/regexp.cpp
@@ -96,6 +96,7 @@ void RegExpParser::ParsePattern()
     if (iter_.HasNext()) {
         ThrowError("Invalid closing parenthesis");
     }
+    ValidateNamedGroupReferences();
 }
 
 void RegExpParser::ParseDisjunction()
@@ -699,10 +700,16 @@ void RegExpParser::ParseNamedBackreference()
     }
 
     util::StringView name = ParseIdent();
+    namedGroupReferences_.insert(name);
+}
 
-    auto result = groupNames_.find(name);
-    if (result == groupNames_.end()) {
-        ThrowError("Invalid named capture referenced");
+void RegExpParser::ValidateNamedGroupReferences()
+{
+    for (auto& ref : namedGroupReferences_) {
+        auto result = groupNames_.find(ref);
+        if (result == groupNames_.end()) {
+            ThrowError("Invalid named capture referenced");
+        }
     }
 }
 
diff --git a/es2panda/lexer/regexp/regexp.h b/es2panda/lexer/regexp/regexp.h
index 513c3405188ab5dcaed74db76a1fedf6fa150b8e..67d99c554fbe31b2a8055eaf1e0549b15fe778db 100644
--- a/es2panda/lexer/regexp/regexp.h
+++ b/es2panda/lexer/regexp/regexp.h
@@ -92,12 +92,14 @@ private:
     char32_t Next();
     void Advance();
     bool Eos() const;
+    void ValidateNamedGroupReferences();
 
     RegExp re_;
     ArenaAllocator *allocator_ {};
     util::StringView::Iterator iter_;
     uint32_t capturingGroupCount_;
     std::unordered_set<util::StringView> groupNames_;
+    std::unordered_set<util::StringView> namedGroupReferences_;
 };
 
 }  // namespace panda::es2panda::lexer