diff --git a/packages/jsts/src/rules/S5843/unit.test.ts b/packages/jsts/src/rules/S5843/unit.test.ts
index 507d548a699..fdc1009c455 100644
--- a/packages/jsts/src/rules/S5843/unit.test.ts
+++ b/packages/jsts/src/rules/S5843/unit.test.ts
@@ -110,6 +110,42 @@ ruleTesterThreshold0.run(
         ],
         options: [0],
       },
+      {
+        code: `RegExp('\\r?');`,
+        errors: [
+          {
+            message: JSON.stringify({
+              message: `Simplify this regular expression to reduce its complexity from 1 to the 0 allowed.`,
+              cost: 1,
+              secondaryLocations: [], // Secondary location removed when invalid (start===end)
+            }),
+            line: 1,
+            endLine: 1,
+            column: 8,
+            endColumn: 13,
+          },
+        ],
+        options: [0],
+      },
+      {
+        code: `RegExp('\\\\r?');`,
+        errors: [
+          {
+            message: JSON.stringify({
+              message: `Simplify this regular expression to reduce its complexity from 1 to the 0 allowed.`,
+              cost: 1,
+              secondaryLocations: [
+                { message: '+1', column: 11, line: 1, endColumn: 12, endLine: 1 },
+              ],
+            }),
+            line: 1,
+            endLine: 1,
+            column: 8,
+            endColumn: 14,
+          },
+        ],
+        options: [0],
+      },
       {
         code: `/(?<=abc)/`,
         errors: [
diff --git a/packages/jsts/src/rules/S5860/rule.ts b/packages/jsts/src/rules/S5860/rule.ts
index 7ac1c230392..f55aab4d8cc 100644
--- a/packages/jsts/src/rules/S5860/rule.ts
+++ b/packages/jsts/src/rules/S5860/rule.ts
@@ -294,12 +294,7 @@ function prepareSecondaries(
 function checkIndexedGroups(intellisense: RegexIntelliSense) {
   intellisense.getKnowledge().forEach(regex => {
     regex.groups.forEach(group => {
-      const { locations, messages } = prepareSecondaries(
-        regex,
-        [group],
-        intellisense,
-        'Named group',
-      );
+      const { locations, messages } = prepareSecondaries(regex, [group], intellisense, 'Group');
 
       group.node.references.forEach(reference => {
         const loc = getRegexpLocation(regex.node, reference, intellisense.context);