diff --git a/extensions/regexfilter.cpp b/extensions/regexfilter.cpp
index cff1c53..5890020 100644
--- a/extensions/regexfilter.cpp
+++ b/extensions/regexfilter.cpp
@@ -1,8 +1,5 @@
 #include "extension.h"
-#include <QMainWindow>
-#include <QLayout>
-#include <QLabel>
-#include <QLineEdit>
+#include "ui_regexfilter.h"
 #include <QTimer>
 
 extern const char* REGEX_FILTER;
@@ -16,25 +13,19 @@ struct : QMainWindow
 {
 	void launch()
 	{
-		auto centralWidget = new QWidget(this);
-		auto layout = new QVBoxLayout(centralWidget);
-		auto input = new QLineEdit(centralWidget);
-		auto output = new QLabel(centralWidget);
-		output->setAlignment(Qt::AlignCenter);
-		layout->addWidget(input);
-		layout->addWidget(output);
-		connect(input, &QLineEdit::textEdited, [=](QString newRegex) 
+		ui.setupUi(this);
+		connect(ui.input, &QLineEdit::textEdited, [=](QString newRegex) 
 		{
 			std::lock_guard l(m);
 			try { regex = newRegex.toStdWString(); }
-			catch (...) { return output->setText(INVALID_REGEX); }
-			output->setText(QString(CURRENT_FILTER).arg(newRegex));
+			catch (...) { return ui.output->setText(INVALID_REGEX); }
+			ui.output->setText(QString(CURRENT_FILTER).arg(newRegex));
 		});
-		resize(350, 60);
-		setCentralWidget(centralWidget);
 		setWindowTitle(REGEX_FILTER);
 		show();
 	}
+
+	Ui::FilterWindow ui;
 }*window = nullptr;
 
 BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
diff --git a/extensions/regexfilter.ui b/extensions/regexfilter.ui
new file mode 100644
index 0000000..b679af4
--- /dev/null
+++ b/extensions/regexfilter.ui
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>FilterWindow</class>
+ <widget class="QMainWindow" name="FilterWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>350</width>
+    <height>76</height>
+   </rect>
+  </property>
+  <widget class="QWidget">
+   <layout class="QVBoxLayout">
+    <item>
+     <widget class="QLineEdit" name="input"/>
+    </item>
+    <item>
+     <widget class="QLabel" name="output">
+      <property name="text">
+       <string/>
+      </property>
+      <property name="alignment">
+       <set>Qt::AlignCenter</set>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QLabel">
+      <property name="text">
+       <string>&lt;a href=&quot;https://regexr.com&quot;&gt;regexr.com&lt;/a&gt;</string>
+      </property>
+      <property name="textFormat">
+       <enum>Qt::RichText</enum>
+      </property>
+      <property name="alignment">
+       <set>Qt::AlignCenter</set>
+      </property>
+      <property name="openExternalLinks">
+       <bool>true</bool>
+      </property>
+      <property name="textInteractionFlags">
+       <set>Qt::TextBrowserInteraction</set>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/include/defs.h b/include/defs.h
index ce16e34..875128f 100644
--- a/include/defs.h
+++ b/include/defs.h
@@ -28,7 +28,7 @@ constexpr auto CONFIG_FILE = u8"Textractor.ini";
 
 // Misc
 
-constexpr auto DEFAULT_EXTENSIONS = u8"Remove Repetition>Lua>Copy to Clipboard>Bing Translate>Extra Window>Extra Newlines";
+constexpr auto DEFAULT_EXTENSIONS = u8"Remove Repetition>Regex Filter>Copy to Clipboard>Bing Translate>Extra Window>Extra Newlines";
 constexpr auto WINDOW = u8"Window";
 
 // EOF