Change analytics to the latest GA4 tag.

Author: wdamien

index.html

@@ -4,13 +4,14 @@
 	<meta charset="UTF-8">
 	<title>RegExr: Learn, Build, &amp; Test RegEx</title>
 
-	<!-- Global Site Tag (gtag.js) - Google Analytics -->
-	<script async src="https://www.googletagmanager.com/gtag/js?id=UA-3579542-6"></script>
+	<!-- Google tag (gtag.js) -->
+	<script async src="https://www.googletagmanager.com/gtag/js?id=G-FS551ZDYMX"></script>
 	<script>
-	window.dataLayer = window.dataLayer || [];
-	function gtag(){dataLayer.push(arguments)};
-	gtag('js', new Date());
-	gtag('config', 'UA-3579542-6');
+		window.dataLayer = window.dataLayer || [];
+		function gtag(){dataLayer.push(arguments);}
+		gtag('js', new Date());
+
+		gtag('config', 'G-FS551ZDYMX');
 	</script>
 
 	<!-- source for this is in ./assets/workers/RegExWorker.js -->