From 31574c94abd54489438e9280e06bc58060873be3 Mon Sep 17 00:00:00 2001
From: Darrel Miller <darrmi@microsoft.com>
Date: Thu, 3 May 2018 22:04:30 -0400
Subject: [PATCH 1/2] Fix for regex

---
 .../Validations/Rules/OpenApiResponsesRules.cs                  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs b/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs
index 25932c59e..667ee2197 100644
--- a/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs
+++ b/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs
@@ -38,7 +38,7 @@ public static class OpenApiResponsesRules
                     {
                         context.Enter(key);
 
-                        if (key != "default" && !Regex.IsMatch(key, "^[1-5]([0-9][0-9]|XX)$"))
+                        if (key != "default" && !Regex.IsMatch(key, "^[1-5](?>[0-9]{2}|XX)$"))
                         {
                             context.CreateError(nameof(ResponsesMustBeIdentifiedByDefaultOrStatusCode), 
                                     "Responses key must be 'default', an HTTP status code, " +

From b95f137222e3e220f7a6595760d02320b04f9ef2 Mon Sep 17 00:00:00 2001
From: Darrel <darrmi@microsoft.com>
Date: Fri, 4 May 2018 09:28:25 -0400
Subject: [PATCH 2/2] Dummy change to trigger rebuild

---
 .../Validations/Rules/OpenApiResponsesRules.cs                | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs b/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs
index 667ee2197..c3bcd2fae 100644
--- a/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs
+++ b/src/Microsoft.OpenApi/Validations/Rules/OpenApiResponsesRules.cs
@@ -28,7 +28,7 @@ public static class OpenApiResponsesRules
                 });
 
         /// <summary>
-        /// The response key must either be "default" or an HTTP status code (1xx, 2xx, 3xx, 4xx, 5xx)
+        /// The response key must either be "default" or an HTTP status code (1xx, 2xx, 3xx, 4xx, 5xx).
         /// </summary>
         public static ValidationRule<OpenApiResponses> ResponsesMustBeIdentifiedByDefaultOrStatusCode =>
             new ValidationRule<OpenApiResponses>(
@@ -50,4 +50,4 @@ public static class OpenApiResponsesRules
                     }
                 });
     }
-}
\ No newline at end of file
+}