From 3210b8601d1db01bf672e82044714c94e1b40406 Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Mon, 28 Jul 2025 11:35:24 -0400
Subject: [PATCH] Add IS-CAB CreateFilenamePattern from UnshieldSharp

---
 .../Wrappers/InstallShieldCabinet.cs          | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/SabreTools.Serialization/Wrappers/InstallShieldCabinet.cs b/SabreTools.Serialization/Wrappers/InstallShieldCabinet.cs
index 95b9222a..f1f011cf 100644
--- a/SabreTools.Serialization/Wrappers/InstallShieldCabinet.cs
+++ b/SabreTools.Serialization/Wrappers/InstallShieldCabinet.cs
@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Text.RegularExpressions;
 using SabreTools.Models.InstallShieldCabinet;
 
 namespace SabreTools.Serialization.Wrappers
@@ -135,6 +136,29 @@ namespace SabreTools.Serialization.Wrappers
 
         #endregion
 
+        #region Cabinet Set
+
+        /// <summary>
+        /// Create the generic filename pattern to look for from the input filename
+        /// </summary>
+        /// <returns>String representing the filename pattern for a cabinet set, null on error</returns>
+        public static string? CreateFilenamePattern(string filename)
+        {
+            string? pattern = null;
+            if (string.IsNullOrEmpty(filename))
+                return pattern;
+
+            string? directory = Path.GetDirectoryName(Path.GetFullPath(filename));
+            if (directory != null)
+                pattern = Path.Combine(directory, Path.GetFileNameWithoutExtension(filename));
+            else
+                pattern = Path.GetFileNameWithoutExtension(filename);
+
+            return new Regex(@"\d+$").Replace(pattern, string.Empty);
+        }
+
+        #endregion
+
         #region Component
 
         /// <summary>