From a8c6443c461678982c39f5a3044c8390e99e83b3 Mon Sep 17 00:00:00 2001
From: Aly Raffauf <aly@aly.codes>
Date: Sun, 5 Jul 2026 12:11:48 -0400
Subject: [PATCH] internal/routing/sanitizer: use strings.CutPrefix and
 SplitSeq

---
 internal/routing/sanitizer.go | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/internal/routing/sanitizer.go b/internal/routing/sanitizer.go
index 3d9b6f5..248c8fc 100644
--- a/internal/routing/sanitizer.go
+++ b/internal/routing/sanitizer.go
@@ -56,9 +56,9 @@ func parseRule(line string) (adGuardRule, bool) {
 	}
 
 	rule := adGuardRule{}
-	if strings.HasPrefix(line, "@@") {
+	if rest, ok := strings.CutPrefix(line, "@@"); ok {
 		rule.isException = true
-		line = line[2:]
+		line = rest
 	}
 
 	parts := strings.Split(line, "$")
@@ -75,10 +75,8 @@ func parseRule(line string) (adGuardRule, bool) {
 	}
 
 	if len(parts) > 1 {
-		options := strings.Split(parts[1], ",")
-		for _, opt := range options {
-			if strings.HasPrefix(opt, "removeparam=") {
-				paramValue := strings.TrimPrefix(opt, "removeparam=")
+		for opt := range strings.SplitSeq(parts[1], ",") {
+			if paramValue, ok := strings.CutPrefix(opt, "removeparam="); ok {
 				if strings.HasPrefix(paramValue, "/") && strings.HasSuffix(paramValue, "/") {
 					if re, err := regexp.Compile("(?i)" + paramValue[1:len(paramValue)-1]); err == nil {
 						rule.parameterRegex = re
-- 
2.51.2