4 files changed, 9 insertions, 23 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/RegExpConstructor.cpp b/Userland/Libraries/LibJS/Runtime/RegExpConstructor.cpp
index bade8fb9ab..97b01f7988 100644
--- a/Userland/Libraries/LibJS/Runtime/RegExpConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/RegExpConstructor.cpp
@@ -42,9 +42,7 @@ Value RegExpConstructor::call()
     auto pattern = vm.argument(0);
     auto flags = vm.argument(1);
 
-    bool pattern_is_regexp = pattern.is_regexp(global_object);
-    if (vm.exception())
-        return {};
+    bool pattern_is_regexp = TRY_OR_DISCARD(pattern.is_regexp(global_object));
 
     if (pattern_is_regexp && flags.is_undefined()) {
         auto pattern_constructor = pattern.as_object().get(vm.names.constructor);
@@ -67,9 +65,7 @@ Value RegExpConstructor::construct(FunctionObject&)
     auto pattern = vm.argument(0);
     auto flags = vm.argument(1);
 
-    bool pattern_is_regexp = pattern.is_regexp(global_object);
-    if (vm.exception())
-        return {};
+    bool pattern_is_regexp = TRY_OR_DISCARD(pattern.is_regexp(global_object));
 
     Value pattern_value;
     Value flags_value;
diff --git a/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp b/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
index 606343611b..5f52af546d 100644
--- a/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
@@ -267,9 +267,7 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::starts_with)
 
     auto search_string_value = vm.argument(0);
 
-    bool search_is_regexp = search_string_value.is_regexp(global_object);
-    if (vm.exception())
-        return {};
+    bool search_is_regexp = TRY_OR_DISCARD(search_string_value.is_regexp(global_object));
     if (search_is_regexp) {
         vm.throw_exception<TypeError>(global_object, ErrorType::IsNotA, "searchString", "string, but a regular expression");
         return {};
@@ -310,9 +308,7 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::ends_with)
 
     auto search_string_value = vm.argument(0);
 
-    bool search_is_regexp = search_string_value.is_regexp(global_object);
-    if (vm.exception())
-        return {};
+    bool search_is_regexp = TRY_OR_DISCARD(search_string_value.is_regexp(global_object));
     if (search_is_regexp) {
         vm.throw_exception<TypeError>(global_object, ErrorType::IsNotA, "searchString", "string, but a regular expression");
         return {};
@@ -646,9 +642,7 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::includes)
 
     auto search_string_value = vm.argument(0);
 
-    bool search_is_regexp = search_string_value.is_regexp(global_object);
-    if (vm.exception())
-        return {};
+    bool search_is_regexp = TRY_OR_DISCARD(search_string_value.is_regexp(global_object));
     if (search_is_regexp) {
         vm.throw_exception<TypeError>(global_object, ErrorType::IsNotA, "searchString", "string, but a regular expression");
         return {};
@@ -888,9 +882,7 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::match_all)
     auto this_object = TRY_OR_DISCARD(require_object_coercible(global_object, vm.this_value(global_object)));
     auto regexp = vm.argument(0);
     if (!regexp.is_nullish()) {
-        auto is_regexp = regexp.is_regexp(global_object);
-        if (vm.exception())
-            return {};
+        auto is_regexp = TRY_OR_DISCARD(regexp.is_regexp(global_object));
         if (is_regexp) {
             auto flags = regexp.as_object().get("flags");
             if (vm.exception())
@@ -985,9 +977,7 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::replace_all)
     auto replace_value = vm.argument(1);
 
     if (!search_value.is_nullish()) {
-        bool is_regexp = search_value.is_regexp(global_object);
-        if (vm.exception())
-            return {};
+        bool is_regexp = TRY_OR_DISCARD(search_value.is_regexp(global_object));
 
         if (is_regexp) {
             auto flags = search_value.as_object().get(vm.names.flags);
diff --git a/Userland/Libraries/LibJS/Runtime/Value.cpp b/Userland/Libraries/LibJS/Runtime/Value.cpp
index 6729c96a2f..0016c75c50 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Value.cpp
@@ -242,7 +242,7 @@ bool Value::is_constructor() const
 }
 
 // 7.2.8 IsRegExp ( argument ), https://tc39.es/ecma262/#sec-isregexp
-bool Value::is_regexp(GlobalObject& global_object) const
+ThrowCompletionOr<bool> Value::is_regexp(GlobalObject& global_object) const
 {
     if (!is_object())
         return false;
diff --git a/Userland/Libraries/LibJS/Runtime/Value.h b/Userland/Libraries/LibJS/Runtime/Value.h
index e61d37b0a4..a3dd6ca38b 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.h
+++ b/Userland/Libraries/LibJS/Runtime/Value.h
@@ -65,7 +65,7 @@ public:
     ThrowCompletionOr<bool> is_array(GlobalObject&) const;
     bool is_function() const;
     bool is_constructor() const;
-    bool is_regexp(GlobalObject&) const;
+    ThrowCompletionOr<bool> is_regexp(GlobalObject&) const;
 
     bool is_nan() const { return is_number() && __builtin_isnan(as_double()); }
     bool is_infinity() const { return is_number() && __builtin_isinf(as_double()); }