From 75de8b89cfbdd03dcda493af9665b4e2cda5fc00 Mon Sep 17 00:00:00 2001
From: Dorian Scheidt <dorian.scheidt@webflow.com>
Date: Tue, 28 Apr 2026 11:29:33 -0500
Subject: [PATCH] [parse] allow Next.js route-group parentheses

Patterns like src/app/(nonauth)/forgot/**/* (Next.js route groups)
were rejected with "unexpected character '('". Permit ( and ) in
isPatternChar, matching the existing brackets exception (dbad96a).
---
 parse.go      | 2 +-
 parse_test.go | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/parse.go b/parse.go
index 4d33150..dedc19a 100644
--- a/parse.go
+++ b/parse.go
@@ -175,7 +175,7 @@ func isAlphanumeric(ch rune) bool {
 // isPatternChar matches characters that are allowed in patterns
 func isPatternChar(ch rune) bool {
 	switch ch {
-	case '*', '?', '.', '/', '@', '_', '+', '-', '\\':
+	case '*', '?', '.', '/', '@', '_', '+', '-', '\\', '(', ')':
 		return true
 	}
 	return isAlphanumeric(ch)
diff --git a/parse_test.go b/parse_test.go
index 8f4ac8f..9a2d283 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -208,6 +208,15 @@ func TestParseRule(t *testing.T) {
 				trailingComment: "",
 			}},
 		},
+		{
+			name: "pattern with parentheses (Next.js route groups)",
+			rule: "src/app/(nonauth)/forgot/**/* @user",
+			expected: []Rule{{
+				SourceLine: 1,
+				pattern:    mustBuildPattern(t, "src/app/(nonauth)/forgot/**/*"),
+				Owners:     []string{"@user"},
+			}},
+		},
 
 		// Error cases