Build regex at compile time

Author: VictoriousRaptor

Plugins/Flow.Launcher.Plugin.Calculator/Main.cs

@@ -15,9 +15,8 @@ public class Main : IPlugin, IPluginI18n, ISettingProvider
     {
         private static readonly Regex RegValidExpressChar = MainRegexHelper.GetRegValidExpressChar();
         private static readonly Regex RegBrackets = MainRegexHelper.GetRegBrackets();
-        private static readonly Regex ThousandGroupRegex = new Regex(@"\B(?=(\d{3})+(?!\d))", RegexOptions.Compiled);
-        private static readonly Regex NumberRegex = new Regex(@"[\d\.,]+", RegexOptions.Compiled);
-
+        private static readonly Regex ThousandGroupRegex = MainRegexHelper.GetThousandGroupRegex();
+        private static readonly Regex NumberRegex = MainRegexHelper.GetNumberRegex();
 
         private static Engine MagesEngine;
         private const string Comma = ",";

Plugins/Flow.Launcher.Plugin.Calculator/MainRegexHelper.cs

@@ -10,4 +10,10 @@ internal static partial class MainRegexHelper
 
     [GeneratedRegex(@"^(ceil|floor|exp|pi|e|max|min|det|abs|log|ln|sqrt|sin|cos|tan|arcsin|arccos|arctan|eigval|eigvec|eig|sum|polar|plot|round|sort|real|zeta|bin2dec|hex2dec|oct2dec|factorial|sign|isprime|isinfty|==|~=|&&|\|\||(?:\<|\>)=?|[ei]|[0-9]|0x[\da-fA-F]+|[\+\%\-\*\/\^\., ""]|[\(\)\|\!\[\]])+$", RegexOptions.Compiled)]
     public static partial Regex GetRegValidExpressChar();
+
+    [GeneratedRegex(@"[\d\.,]+", RegexOptions.Compiled)]
+    public static partial Regex GetNumberRegex();
+
+    [GeneratedRegex(@"\B(?=(\d{3})+(?!\d))", RegexOptions.Compiled)]
+    public static partial Regex GetThousandGroupRegex();
 }