Use generated Regex attribute to generate the expression implementation at compile time.

lottery-co-uk-scraper/NationalLottery/DrawWinnerInformation.cs

@@ -7,7 +7,7 @@ using System.Text.RegularExpressions;
 
 namespace lottery_co_uk_scraper.NationalLottery
 {
-    internal class DrawWinnerInformation
+    internal partial class DrawWinnerInformation
     {
         public static void ProcessTableSection(HtmlNode table, string sectionTitle, LottoResult lottoResult)
         {
@@ -419,7 +419,7 @@ namespace lottery_co_uk_scraper.NationalLottery
 
             var textNodes = htmlDoc.DocumentNode.DescendantsAndSelf().Where(n => n.NodeType == HtmlNodeType.Text);
 
-            var numericValues = textNodes.SelectMany(n => Regex.Matches(n.InnerHtml, @"(\d+)").Cast<Match>())
+            var numericValues = textNodes.SelectMany(n => MyRegex().Matches(n.InnerHtml).Cast<Match>())
                                          .Select(match => int.Parse(match.Groups[1].Value))
                                          .ToList();
 
@@ -449,7 +449,6 @@ namespace lottery_co_uk_scraper.NationalLottery
 
             string columnTitle = prizePerWinnerNode.Attributes["data-title"].Value;
 
-            // Now you can use regularPrizePerWinner and rolldownPrizePerWinner as needed
             Console.WriteLine($"Prize per winner ({sectionTitle}): {regularPrizePerWinner}");
             Console.WriteLine($"Rolldown Prize per winner ({sectionTitle}): {rolldownPrizePerWinner}");
 
@@ -531,5 +530,8 @@ namespace lottery_co_uk_scraper.NationalLottery
         {
             AssignValueToModelProperty(sectionTitle, columnTitle, LotteryTableRow.Total, winnersNode, lottoResult);
         }
+
+        [GeneratedRegex(@"(\d+)")]
+        private static partial Regex MyRegex();
     }
 }