initial commit

Services/TextNormalizer.cs

@@ -0,0 +1,19 @@
+using System.Text.RegularExpressions;
+
+namespace lxc_songlist.Services;
+
+public static partial class TextNormalizer
+{
+    public static string DisplayText(string value)
+    {
+        return WhitespaceRegex().Replace(value.Trim(), " ");
+    }
+
+    public static string Key(string value)
+    {
+        return DisplayText(value).ToLowerInvariant();
+    }
+
+    [GeneratedRegex(@"\s+")]
+    private static partial Regex WhitespaceRegex();
+}