diff --git a/rpcs3/rpcs3qt/debugger_frame.cpp b/rpcs3/rpcs3qt/debugger_frame.cpp
index 4769c99f18..b529e38359 100644
--- a/rpcs3/rpcs3qt/debugger_frame.cpp
+++ b/rpcs3/rpcs3qt/debugger_frame.cpp
@@ -435,7 +435,7 @@ void debugger_frame::keyPressEvent(QKeyEvent* event)
 				dlg.set_input_font(mono, false);
 				dlg.set_clear_button_enabled(false);
 				dlg.set_button_enabled(QDialogButtonBox::StandardButton::Ok, false);
-				dlg.set_validator(new QRegularExpressionValidator(QRegularExpression("^[1-9][0-9]*$")));
+				dlg.set_validator(new QRegularExpressionValidator(QRegularExpression("^[1-9][0-9]*$"), &dlg));
 
 				u32 max = 0;
 
@@ -1188,11 +1188,11 @@ void debugger_frame::ShowGotoAddressDialog()
 
 	if (const auto thread = get_cpu(); !thread || thread->id_type() != 2)
 	{
-		expression_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$")));
+		expression_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$"), this));
 	}
 	else
 	{
-		expression_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,5}$")));
+		expression_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,5}$"), this));
 	}
 
 	// Ok/Cancel
diff --git a/rpcs3/rpcs3qt/elf_memory_dumping_dialog.cpp b/rpcs3/rpcs3qt/elf_memory_dumping_dialog.cpp
index 7bbcc53689..0eb7f41844 100644
--- a/rpcs3/rpcs3qt/elf_memory_dumping_dialog.cpp
+++ b/rpcs3/rpcs3qt/elf_memory_dumping_dialog.cpp
@@ -34,13 +34,13 @@ elf_memory_dumping_dialog::elf_memory_dumping_dialog(u32 ppu_debugger_addr, std:
 	m_seg_list->setMinimumWidth(gui::utils::get_label_width(tr("PPU Address: 0x00000000, LS Address: 0x00000, Segment Size: 0x00000, Flags: 0x0")));
 
 	// Address expression input
-	auto make_hex_edit = [mono](u32 max_digits)
+	auto make_hex_edit = [this, mono](u32 max_digits)
 	{
 		QLineEdit* le = new QLineEdit();
 		le->setFont(mono);
 		le->setMaxLength(max_digits + 2);
 		le->setPlaceholderText("0x" + QStringLiteral("0").repeated(max_digits));
-		le->setValidator(new QRegularExpressionValidator(QRegularExpression(QStringLiteral("^(0[xX])?0*[a-fA-F0-9]{0,%1}$").arg(max_digits))));
+		le->setValidator(new QRegularExpressionValidator(QRegularExpression(QStringLiteral("^(0[xX])?0*[a-fA-F0-9]{0,%1}$").arg(max_digits)), this));
 		return le;
 	};
 
diff --git a/rpcs3/rpcs3qt/main_window.cpp b/rpcs3/rpcs3qt/main_window.cpp
index 50fa5c81b6..d8f9e15f8c 100644
--- a/rpcs3/rpcs3qt/main_window.cpp
+++ b/rpcs3/rpcs3qt/main_window.cpp
@@ -1633,7 +1633,7 @@ void main_window::DecryptSPRXLibraries()
 		dlg->set_input_font(mono, true, '0');
 		dlg->set_clear_button_enabled(false);
 		dlg->set_button_enabled(QDialogButtonBox::StandardButton::Ok, false);
-		dlg->set_validator(new QRegularExpressionValidator(QRegularExpression("^((((((K?L)?I)?C)?=)?0)?x)?[a-fA-F0-9]{0,32}$"))); // HEX only (with additional KLIC=0x prefix for convenience)
+		dlg->set_validator(new QRegularExpressionValidator(QRegularExpression("^((((((K?L)?I)?C)?=)?0)?x)?[a-fA-F0-9]{0,32}$"), this)); // HEX only (with additional KLIC=0x prefix for convenience)
 		dlg->setAttribute(Qt::WA_DeleteOnClose);
 
 		connect(dlg, &input_dialog::text_changed, dlg, [dlg](const QString& text)
diff --git a/rpcs3/rpcs3qt/memory_viewer_panel.cpp b/rpcs3/rpcs3qt/memory_viewer_panel.cpp
index 07a7ff9bd2..f8ee6fcebe 100644
--- a/rpcs3/rpcs3qt/memory_viewer_panel.cpp
+++ b/rpcs3/rpcs3qt/memory_viewer_panel.cpp
@@ -92,7 +92,7 @@ memory_viewer_panel::memory_viewer_panel(QWidget* parent, std::shared_ptr<CPUDis
 	m_addr_line->setMaxLength(18);
 	m_addr_line->setFixedWidth(75);
 	m_addr_line->setFocus();
-	m_addr_line->setValidator(new QRegularExpressionValidator(QRegularExpression(m_type == thread_type::spu ? "^(0[xX])?0*[a-fA-F0-9]{0,5}$" : "^(0[xX])?0*[a-fA-F0-9]{0,8}$")));
+	m_addr_line->setValidator(new QRegularExpressionValidator(QRegularExpression(m_type == thread_type::spu ? "^(0[xX])?0*[a-fA-F0-9]{0,5}$" : "^(0[xX])?0*[a-fA-F0-9]{0,8}$"), this));
 	hbox_tools_mem_addr->addWidget(m_addr_line);
 	tools_mem_addr->setLayout(hbox_tools_mem_addr);
 
diff --git a/rpcs3/rpcs3qt/patch_creator_dialog.cpp b/rpcs3/rpcs3qt/patch_creator_dialog.cpp
index ed4cd0450a..de71ac5115 100644
--- a/rpcs3/rpcs3qt/patch_creator_dialog.cpp
+++ b/rpcs3/rpcs3qt/patch_creator_dialog.cpp
@@ -31,11 +31,15 @@ patch_creator_dialog::patch_creator_dialog(QWidget* parent)
 	, mMonoFont(QFontDatabase::systemFont(QFontDatabase::FixedFont))
 	, mValidColor(gui::utils::get_label_color("log_level_success"))
 	, mInvalidColor(gui::utils::get_label_color("log_level_error"))
+	, m_offset_validator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?[a-fA-F0-9]{0,8}$"), this))
 {
 	ui->setupUi(this);
 	ui->patchEdit->setFont(mMonoFont);
 	ui->addPatchOffsetEdit->setFont(mMonoFont);
+	ui->addPatchOffsetEdit->setClearButtonEnabled(true);
 	ui->addPatchValueEdit->setFont(mMonoFont);
+	ui->addPatchValueEdit->setClearButtonEnabled(true);
+	ui->addPatchCommentEdit->setClearButtonEnabled(true);
 	ui->instructionTable->setFont(mMonoFont);
 	ui->instructionTable->setItemDelegate(new table_item_delegate(this, false));
 	ui->instructionTable->verticalHeader()->setSectionResizeMode(QHeaderView::ResizeMode::Fixed);
@@ -66,6 +70,8 @@ patch_creator_dialog::patch_creator_dialog(QWidget* parent)
 	connect(ui->addPatchButton, &QAbstractButton::clicked, this, [this]() { add_instruction(ui->instructionTable->rowCount()); });
 
 	init_patch_type_bombo_box(ui->addPatchTypeComboBox, patch_type::be32, false);
+	connect(ui->addPatchTypeComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [this](int index){ update_validator(index, ui->addPatchTypeComboBox, ui->addPatchOffsetEdit); });
+	update_validator(ui->addPatchTypeComboBox->currentIndex(), ui->addPatchTypeComboBox, ui->addPatchOffsetEdit);
 
 	generate_yml();
 }
@@ -198,6 +204,25 @@ void patch_creator_dialog::show_table_menu(const QPoint& pos)
 	menu.exec(ui->instructionTable->viewport()->mapToGlobal(pos));
 }
 
+void patch_creator_dialog::update_validator(int index, QComboBox* combo_box, QLineEdit* line_edit)
+{
+	if (index < 0 || !combo_box || !line_edit || !combo_box->itemData(index).canConvert<patch_type>())
+	{
+		return;
+	}
+
+	switch (combo_box->itemData(index).value<patch_type>())
+	{
+	case patch_type::move_file:
+	case patch_type::hide_file:
+		line_edit->setValidator(nullptr);
+		break;
+	default:
+		line_edit->setValidator(m_offset_validator);
+		break;
+	}
+}
+
 void patch_creator_dialog::add_instruction(int row)
 {
 	const QString type    = ui->addPatchTypeComboBox->currentText();
@@ -206,6 +231,25 @@ void patch_creator_dialog::add_instruction(int row)
 	const QString comment = ui->addPatchCommentEdit->text();
 
 	const patch_type t = patch_engine::get_patch_type(type.toStdString());
+
+	switch (t)
+	{
+	case patch_type::move_file:
+	case patch_type::hide_file:
+		break;
+	default:
+	{
+		int pos = 0;
+		QString text_to_validate = offset;
+		if (m_offset_validator->validate(text_to_validate, pos) == QValidator::Invalid)
+		{
+			QMessageBox::information(this, tr("Offset invalid!"), tr("The patch offset is invalid.\nThe offset has to be a hexadecimal number with 8 digits at most."));
+			return;
+		}
+		break;
+	}
+	}
+
 	QComboBox* combo_box = create_patch_type_bombo_box(t);
 
 	ui->instructionTable->insertRow(std::max(0, std::min(row, ui->instructionTable->rowCount())));
diff --git a/rpcs3/rpcs3qt/patch_creator_dialog.h b/rpcs3/rpcs3qt/patch_creator_dialog.h
index 435fd73454..d8ddf120cb 100644
--- a/rpcs3/rpcs3qt/patch_creator_dialog.h
+++ b/rpcs3/rpcs3qt/patch_creator_dialog.h
@@ -25,6 +25,7 @@ private:
 	QColor mValidColor;
 	QColor mInvalidColor;
 	bool m_valid = true; // Will be invalidated immediately
+	QRegularExpressionValidator* m_offset_validator = nullptr;
 
 	enum class move_direction
 	{
@@ -40,6 +41,8 @@ private:
 	static void init_patch_type_bombo_box(QComboBox* combo_box, patch_type set_type, bool searchable);
 	QComboBox* create_patch_type_bombo_box(patch_type set_type);
 
+	void update_validator(int index, QComboBox* combo_box, QLineEdit* line_edit);
+
 private Q_SLOTS:
 	void show_table_menu(const QPoint& pos);
 	void validate();
diff --git a/rpcs3/rpcs3qt/rsx_debugger.cpp b/rpcs3/rpcs3qt/rsx_debugger.cpp
index 5e962a8bc3..5d269d2761 100644
--- a/rpcs3/rpcs3qt/rsx_debugger.cpp
+++ b/rpcs3/rpcs3qt/rsx_debugger.cpp
@@ -166,7 +166,7 @@ rsx_debugger::rsx_debugger(std::shared_ptr<gui_settings> gui_settings, QWidget*
 	tex_idx_line->setMaxLength(18);
 	tex_idx_line->setFixedWidth(75);
 	tex_idx_line->setFocus();
-	tex_idx_line->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$")));
+	tex_idx_line->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$"), this));
 
 	QLineEdit* tex_fmt_override_line = new QLineEdit(this);
 	tex_fmt_override_line->setPlaceholderText("00");
@@ -174,7 +174,7 @@ rsx_debugger::rsx_debugger(std::shared_ptr<gui_settings> gui_settings, QWidget*
 	tex_fmt_override_line->setMaxLength(18);
 	tex_fmt_override_line->setFixedWidth(75);
 	tex_fmt_override_line->setFocus();
-	tex_fmt_override_line->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,2}$")));
+	tex_fmt_override_line->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,2}$"), this));
 
 	hbox_idx_line->addWidget(tex_idx_line);
 	hbox_idx_line->addWidget(tex_fmt_override_line);
diff --git a/rpcs3/rpcs3qt/system_cmd_dialog.cpp b/rpcs3/rpcs3qt/system_cmd_dialog.cpp
index 45dfbdb0e0..fb2b19a838 100644
--- a/rpcs3/rpcs3qt/system_cmd_dialog.cpp
+++ b/rpcs3/rpcs3qt/system_cmd_dialog.cpp
@@ -33,13 +33,13 @@ system_cmd_dialog::system_cmd_dialog(QWidget* parent)
 	m_value_input = new QLineEdit();
 	m_value_input->setFont(mono);
 	m_value_input->setMaxLength(18);
-	m_value_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$")));
+	m_value_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$"), this));
 	m_value_input->setPlaceholderText(QString("0x%1").arg(0, 16, 16, QChar('0')));
 
 	m_custom_command_input = new QLineEdit();
 	m_custom_command_input->setFont(mono);
 	m_custom_command_input->setMaxLength(18);
-	m_custom_command_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$")));
+	m_custom_command_input->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$"), this));
 	m_custom_command_input->setPlaceholderText(QString("0x%1").arg(0, 16, 16, QChar('0')));
 
 	m_command_box = new QComboBox();
diff --git a/rpcs3/rpcs3qt/vfs_dialog_usb_input.cpp b/rpcs3/rpcs3qt/vfs_dialog_usb_input.cpp
index 7015fab090..b39a89c011 100644
--- a/rpcs3/rpcs3qt/vfs_dialog_usb_input.cpp
+++ b/rpcs3/rpcs3qt/vfs_dialog_usb_input.cpp
@@ -58,12 +58,12 @@ vfs_dialog_usb_input::vfs_dialog_usb_input(const QString& name, const cfg::devic
 
 	m_vid_edit = new QLineEdit;
 	m_vid_edit->setMaxLength(4);
-	m_vid_edit->setValidator(new QRegularExpressionValidator(QRegularExpression("^[a-fA-F0-9]*$"))); // HEX only
+	m_vid_edit->setValidator(new QRegularExpressionValidator(QRegularExpression("^[a-fA-F0-9]*$"), this)); // HEX only
 	m_vid_edit->setText(QString::fromStdString(info->vid));
 
 	m_pid_edit = new QLineEdit;
 	m_pid_edit->setMaxLength(4);
-	m_pid_edit->setValidator(new QRegularExpressionValidator(QRegularExpression("^[a-fA-F0-9]*$"))); // HEX only
+	m_pid_edit->setValidator(new QRegularExpressionValidator(QRegularExpression("^[a-fA-F0-9]*$"), this)); // HEX only
 	m_pid_edit->setText(QString::fromStdString(info->pid));
 
 	m_serial_edit = new QLineEdit;