Fix rule optimizer incorrectly removing regex-based listener rules

Author: shraddhabang

.go-version

@@ -1 +1 @@
-1.25.6
+1.25.7

go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/aws-load-balancer-controller
 
-go 1.25.6
+go 1.25.7
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.40.0

pkg/ingress/rule_optimizer.go

@@ -146,7 +146,11 @@ func isSupersetConditions(lhsConditions []elbv2model.RuleCondition, rhsCondition
 		case condition.Field == elbv2model.RuleConditionFieldHostHeader && condition.HostHeaderConfig != nil:
 			lhsHosts.Insert(condition.HostHeaderConfig.Values...)
 		case condition.Field == elbv2model.RuleConditionFieldPathPattern && condition.PathPatternConfig != nil:
-			lhsPaths.Insert(condition.PathPatternConfig.Values...)
+			if len(condition.PathPatternConfig.RegexValues) > 0 {
+				lhsPaths.Insert(condition.PathPatternConfig.RegexValues...)
+			} else {
+				lhsPaths.Insert(condition.PathPatternConfig.Values...)
+			}
 		default:
 			// if there are any other conditions, then we treat it as not superset.
 			return false
@@ -160,7 +164,11 @@ func isSupersetConditions(lhsConditions []elbv2model.RuleCondition, rhsCondition
 		case condition.Field == elbv2model.RuleConditionFieldHostHeader && condition.HostHeaderConfig != nil:
 			rhsHosts.Insert(condition.HostHeaderConfig.Values...)
 		case condition.Field == elbv2model.RuleConditionFieldPathPattern && condition.PathPatternConfig != nil:
-			rhsPaths.Insert(condition.PathPatternConfig.Values...)
+			if len(condition.PathPatternConfig.RegexValues) > 0 {
+				rhsPaths.Insert(condition.PathPatternConfig.RegexValues...)
+			} else {
+				rhsPaths.Insert(condition.PathPatternConfig.Values...)
+			}
 		}
 	}