diff --git a/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs b/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs
index 1624752b3330e..7ad3a2d889460 100644
--- a/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs
+++ b/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs
@@ -177,15 +177,18 @@ public void SpacesInProperties()
                 properties);
         }
 
-        [Fact]
-        public void EndOfLineComments()
+        [Theory]
+        [WorkItem(44596, "https://github.com/dotnet/roslyn/issues/44596")]
+        [InlineData(";")]
+        [InlineData("#")]
+        public void EndOfLineComments(string commentStartCharacter)
         {
-            var config = ParseConfigFile(@"
-my_prop2 = my val2 # Comment");
+            var config = ParseConfigFile($@"
+my_prop2 = my val2 {commentStartCharacter} Not A Comment");
 
             var properties = config.GlobalSection.Properties;
             AssertEx.SetEqual(
-                new[] { KeyValuePair.Create("my_prop2", "my val2") },
+                new[] { KeyValuePair.Create("my_prop2", $"my val2 {commentStartCharacter} Not A Comment") },
                 properties);
         }
 
diff --git a/src/Compilers/Core/Portable/CommandLine/AnalyzerConfig.cs b/src/Compilers/Core/Portable/CommandLine/AnalyzerConfig.cs
index a1c4f920e136e..a4d67b9d708a1 100644
--- a/src/Compilers/Core/Portable/CommandLine/AnalyzerConfig.cs
+++ b/src/Compilers/Core/Portable/CommandLine/AnalyzerConfig.cs
@@ -21,7 +21,7 @@ public sealed partial class AnalyzerConfig
         // Matches EditorConfig section header such as "[*.{js,py}]", see https://editorconfig.org for details
         private static readonly Regex s_sectionMatcher = new Regex(@"^\s*\[(([^#;]|\\#|\\;)+)\]\s*([#;].*)?$", RegexOptions.Compiled);
         // Matches EditorConfig property such as "indent_style = space", see https://editorconfig.org for details
-        private static readonly Regex s_propertyMatcher = new Regex(@"^\s*([\w\.\-_]+)\s*[=:]\s*(.*?)\s*([#;].*)?$", RegexOptions.Compiled);
+        private static readonly Regex s_propertyMatcher = new Regex(@"^\s*([\w\.\-_]+)\s*[=:]\s*(.*?)\s*$", RegexOptions.Compiled);
 
         /// <summary>
         /// Key that indicates if this config is a global config