All methods done and unit tests all green.

EM-Qual/QualData.cs

@@ -26,8 +26,32 @@ public static class QualData
     /// <returns>An array containing parsed match data records</returns>
     public static Match[] ReadMatchesFromFile(string filePath)
     {
-        // TODO
-        return [];
+        if (!File.Exists(filePath))
+        {
+            return Array.Empty<Match>();
+        }
+
+        string[] lines = File.ReadAllLines(filePath);
+        lines = lines.Skip(1).ToArray();
+        if (lines.Length == 0)
+        {
+            return Array.Empty<Match>();
+        }
+        
+        //using lists to avoid resizing the array (Programmers are lazy)
+        var matches = new List<Match>();
+        foreach (var line in lines)
+        {
+            if (TryParseMatch(line, out Match? match))
+            {
+                matches.Add(match!);
+            }
+            else
+            {
+                return Array.Empty<Match>();
+            }
+        }
+        return matches.ToArray();
     }
 
     /// <summary>
@@ -79,7 +103,7 @@ public static class QualData
     {
         foreach (var possibleValue in possibleValues)
         {
-            if (possibleValue.ToLower() == value.ToLower())
+            if (string.Equals(possibleValue, value, StringComparison.InvariantCultureIgnoreCase))
             {
                 return true;
             }