From 1e64acb23e1831f6f3da14694e77a01d45e08c9b Mon Sep 17 00:00:00 2001
From: Dan Moseley <danmose@microsoft.com>
Date: Mon, 16 Mar 2026 21:52:06 -0600
Subject: [PATCH 1/2] Add RegexOptions.AnyNewLine API documentation

Add documentation for the new AnyNewLine enum member (value 2048)
that makes ^, $, \Z, and . recognize all Unicode newline sequences.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 .../RegexOptions.xml                          | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/xml/System.Text.RegularExpressions/RegexOptions.xml b/xml/System.Text.RegularExpressions/RegexOptions.xml
index f1abe4d2254..3b1975f4e2f 100644
--- a/xml/System.Text.RegularExpressions/RegexOptions.xml
+++ b/xml/System.Text.RegularExpressions/RegexOptions.xml
@@ -91,6 +91,26 @@
     <related type="Article" href="/dotnet/standard/base-types/regular-expression-options">Regular Expression Options</related>
   </Docs>
   <Members>
+    <Member MemberName="AnyNewLine">
+      <MemberSignature Language="C#" Value="AnyNewLine" />
+      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype System.Text.RegularExpressions.RegexOptions AnyNewLine = int32(2048)" />
+      <MemberSignature Language="DocId" Value="F:System.Text.RegularExpressions.RegexOptions.AnyNewLine" />
+      <MemberSignature Language="VB.NET" Value="AnyNewLine" />
+      <MemberSignature Language="F#" Value="AnyNewLine = 2048" Usage="System.Text.RegularExpressions.RegexOptions.AnyNewLine" />
+      <MemberSignature Language="C++ CLI" Value="AnyNewLine" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyName>System.Text.RegularExpressions</AssemblyName>
+        <AssemblyVersion>11.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.Text.RegularExpressions.RegexOptions</ReturnType>
+      </ReturnValue>
+      <MemberValue>2048</MemberValue>
+      <Docs>
+        <summary>Make <c>^</c>, <c>$</c>, <c>\Z</c>, and <c>.</c> recognize all common newline sequences (<c>\r\n</c>, <c>\r</c>, <c>\n</c>, and the Unicode newlines <c>\u0085</c>, <c>\u2028</c>, <c>\u2029</c>) instead of only <c>\n</c>. This option cannot be combined with <see cref="F:System.Text.RegularExpressions.RegexOptions.NonBacktracking" /> or <see cref="F:System.Text.RegularExpressions.RegexOptions.ECMAScript" />. For more information, see the "AnyNewLine Mode" section in the <see href="https://learn.microsoft.com/dotnet/standard/base-types/regular-expression-options">Regular Expression Options</see> article.</summary>
+      </Docs>
+    </Member>
     <Member MemberName="Compiled">
       <MemberSignature Language="C#" Value="Compiled" />
       <MemberSignature Language="ILAsm" Value=".field public static literal valuetype System.Text.RegularExpressions.RegexOptions Compiled = int32(8)" />

From 28498d111ae5e773fd4f59442f56152100ceef10 Mon Sep 17 00:00:00 2001
From: Dan Moseley <danmose@microsoft.com>
Date: Mon, 16 Mar 2026 22:46:09 -0600
Subject: [PATCH 2/2] Fix: Make -> Makes, add missing conjunction

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 xml/System.Text.RegularExpressions/RegexOptions.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xml/System.Text.RegularExpressions/RegexOptions.xml b/xml/System.Text.RegularExpressions/RegexOptions.xml
index 3b1975f4e2f..360dd0dff2a 100644
--- a/xml/System.Text.RegularExpressions/RegexOptions.xml
+++ b/xml/System.Text.RegularExpressions/RegexOptions.xml
@@ -108,7 +108,7 @@
       </ReturnValue>
       <MemberValue>2048</MemberValue>
       <Docs>
-        <summary>Make <c>^</c>, <c>$</c>, <c>\Z</c>, and <c>.</c> recognize all common newline sequences (<c>\r\n</c>, <c>\r</c>, <c>\n</c>, and the Unicode newlines <c>\u0085</c>, <c>\u2028</c>, <c>\u2029</c>) instead of only <c>\n</c>. This option cannot be combined with <see cref="F:System.Text.RegularExpressions.RegexOptions.NonBacktracking" /> or <see cref="F:System.Text.RegularExpressions.RegexOptions.ECMAScript" />. For more information, see the "AnyNewLine Mode" section in the <see href="https://learn.microsoft.com/dotnet/standard/base-types/regular-expression-options">Regular Expression Options</see> article.</summary>
+        <summary>Makes <c>^</c>, <c>$</c>, <c>\Z</c>, and <c>.</c> recognize all common newline sequences (<c>\r\n</c>, <c>\r</c>, <c>\n</c>, and the Unicode newlines <c>\u0085</c>, <c>\u2028</c>, and <c>\u2029</c>) instead of only <c>\n</c>. This option cannot be combined with <see cref="F:System.Text.RegularExpressions.RegexOptions.NonBacktracking" /> or <see cref="F:System.Text.RegularExpressions.RegexOptions.ECMAScript" />. For more information, see the "AnyNewLine Mode" section in the <see href="https://learn.microsoft.com/dotnet/standard/base-types/regular-expression-options">Regular Expression Options</see> article.</summary>
       </Docs>
     </Member>
     <Member MemberName="Compiled">