From c857679b0dd021105843d5c84d074e476311f7ad Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Mon, 27 Jan 2025 14:22:57 -0500
Subject: [PATCH] Fix reference issue in filters (fixes #110)

---
 SabreTools.Core/Filter/FilterObject.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SabreTools.Core/Filter/FilterObject.cs b/SabreTools.Core/Filter/FilterObject.cs
index a70ed76b..dce42bed 100644
--- a/SabreTools.Core/Filter/FilterObject.cs
+++ b/SabreTools.Core/Filter/FilterObject.cs
@@ -378,7 +378,7 @@ namespace SabreTools.Core.Filter
             operation = GetOperation(match.Groups["operation"].Value);
 
             // Only non-zero length values are counted as non-null
-            if (value?.Length > 0)
+            if (match.Groups["value"]?.Value?.Length > 0)
                 value = match.Groups["value"].Value;
 
             return true;