From 89fef59157a59af1addb730e8d9ae5ab74f6ee1c Mon Sep 17 00:00:00 2001
From: teslae1 <karlmogensen@hotmail.com>
Date: Fri, 9 Jan 2026 13:21:29 +0100
Subject: [PATCH 1/2] added conversion to convert vim regex to js regex
 (without disturbing the displayed text in commandline)

---
 src/vimscript/pattern.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/vimscript/pattern.ts b/src/vimscript/pattern.ts
index 230cb3b6b5a..ba945f73a47 100644
--- a/src/vimscript/pattern.ts
+++ b/src/vimscript/pattern.ts
@@ -305,10 +305,13 @@ export class Pattern {
         caseOverride,
         ignoreSmartcase: args.ignoreSmartcase ?? false,
       });
+
+      const jsPatternString = Pattern.convertToJsCompatiblePattern(patternString);
+
       return new Pattern(
         patternString,
         args.direction,
-        Pattern.compileRegex(patternString, ignoreCase),
+        Pattern.compileRegex(jsPatternString, ignoreCase),
         inSelection ?? false,
         closed,
         emptyBranch,
@@ -328,6 +331,10 @@ export class Pattern {
     return configuration.ignorecase;
   }
 
+  private static convertToJsCompatiblePattern(patternString: string): string {
+    return patternString.replace(/\\\(/g, '(').replace(/\\\)/g, ')');
+  }
+
   private constructor(
     patternString: string,
     direction: SearchDirection,

From b890ae2a472d9e94daa50055fb3cd99a4230e55b Mon Sep 17 00:00:00 2001
From: teslae1 <karlmogensen@hotmail.com>
Date: Fri, 9 Jan 2026 15:27:25 +0100
Subject: [PATCH 2/2] added test to verify new functionality

---
 test/search/search.test.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/search/search.test.ts b/test/search/search.test.ts
index 2b34da6ed44..bcf388bfba3 100644
--- a/test/search/search.test.ts
+++ b/test/search/search.test.ts
@@ -16,6 +16,13 @@ suite('Search (/ and ?)', () => {
     end: ['', 'one tw|o2o'],
   });
 
+  newTest({
+    title: '/ can search with regex groupings (search for sequence of aX where X is not b)',
+    start: ['|', 'ab ac'],
+    keysPressed: '/a\\([^b]\\)\n',
+    end: ['', 'ab |ac'],
+  });
+
   newTest({
     title: '/ can search with newline',
     start: ['|asdf', '__asdf', 'asdf'],