diff --git a/docs/ibm-cloud-rules.md b/docs/ibm-cloud-rules.md
index 5c052f43..300bc90a 100644
--- a/docs/ibm-cloud-rules.md
+++ b/docs/ibm-cloud-rules.md
@@ -6522,7 +6522,6 @@ fields in order to clearly define the set of valid values for the property.
 [<a href="https://cloud.ibm.com/docs/api-handbook?topic=api-handbook-types#string">1</a>].
 <p>Note that these checks are bypassed for the following scenarios:
 <ul>
-<li>All checks are bypassed for string schemas that are used only within an operation response.
 <li>All checks are bypassed for string schemas that contain an <code>enum</code> field.</li>
 <li>The check for the <code>pattern</code> field is bypassed if <code>format</code> is set to 
 <code>binary</code>, <code>byte</code>, <code>date</code>, <code>date-time</code>, or <code>url</code>.</li>
diff --git a/packages/ruleset/src/functions/string-attributes.js b/packages/ruleset/src/functions/string-attributes.js
index e6aea44b..ce380d26 100644
--- a/packages/ruleset/src/functions/string-attributes.js
+++ b/packages/ruleset/src/functions/string-attributes.js
@@ -9,11 +9,7 @@ const {
   validateNestedSchemas,
 } = require('@ibm-cloud/openapi-ruleset-utilities');
 
-const {
-  getCompositeSchemaAttribute,
-  LoggerFactory,
-  pathMatchesRegexp,
-} = require('../utils');
+const { getCompositeSchemaAttribute, LoggerFactory } = require('../utils');
 
 let ruleId;
 let logger;
@@ -55,7 +51,7 @@ function stringBoundaryErrors(schema, path) {
 
   // Only check for the presence of validation keywords on input schemas
   // (i.e. those used for parameters and request bodies).
-  if (isStringSchema(schema) && isInputSchema(path)) {
+  if (isStringSchema(schema)) {
     logger.debug('schema is a string schema');
 
     // Perform these checks only if enum is not defined.
@@ -95,10 +91,7 @@ function stringBoundaryErrors(schema, path) {
         });
       }
     }
-  }
-
-  // Make sure string attributes aren't used for non-strings.
-  if (!isStringSchema(schema)) {
+  } else {
     // Make sure that string-related fields are not present in a non-string schema.
     if (schemaContainsAttribute(schema, 'pattern')) {
       errors.push({
@@ -135,14 +128,3 @@ function schemaContainsAttribute(schema, attrName) {
     s => attrName in s && isDefined(s[attrName])
   );
 }
-
-function isInputSchema(path) {
-  // Output schemas are much simpler to check for with regex.
-  // Use the inverse of that to determine input schemas.
-  const isOutputSchema = pathMatchesRegexp(
-    path,
-    /^paths,.*,responses,.+,(content|headers),.+,schema/
-  );
-
-  return !isOutputSchema;
-}
diff --git a/packages/ruleset/test/string-attributes.test.js b/packages/ruleset/test/string-attributes.test.js
index 68c60f48..79dbdba4 100644
--- a/packages/ruleset/test/string-attributes.test.js
+++ b/packages/ruleset/test/string-attributes.test.js
@@ -212,27 +212,6 @@ describe(`Spectral rule: ${ruleId}`, () => {
       expect(results).toHaveLength(0);
     });
 
-    it('Response body string schema has no keywords', async () => {
-      const testDocument = makeCopy(rootDocument);
-      testDocument.paths['/v1/movies/{movie_id}'].get.responses['200'] = {
-        content: {
-          'application/json': {
-            schema: {
-              properties: {
-                name: {
-                  type: 'string',
-                  description: 'no validation',
-                },
-              },
-            },
-          },
-        },
-      };
-
-      const results = await testRule(ruleId, rule, testDocument);
-      expect(results).toHaveLength(0);
-    });
-
     it('Response header string schema has no keywords', async () => {
       const testDocument = makeCopy(rootDocument);
       testDocument.paths['/v1/movies/{movie_id}'].get.responses.headers = {
@@ -615,5 +594,41 @@ describe(`Spectral rule: ${ruleId}`, () => {
       );
       expect(validation.severity).toBe(expectedSeverity);
     });
+
+    it('Response body string schema has no keywords', async () => {
+      const testDocument = makeCopy(rootDocument);
+      testDocument.paths['/v1/movies/{movie_id}'].get.responses['200'] = {
+        content: {
+          'application/json': {
+            schema: {
+              properties: {
+                name: {
+                  type: 'string',
+                  description: 'no validation',
+                },
+              },
+            },
+          },
+        },
+      };
+
+      const results = await testRule(ruleId, rule, testDocument);
+      expect(results).toHaveLength(3);
+
+      const expectedPath =
+        'paths./v1/movies/{movie_id}.get.responses.200.content.application/json.schema.properties.name';
+      const expectedMessages = [
+        `String schemas should define property 'pattern'`,
+        `String schemas should define property 'minLength'`,
+        `String schemas should define property 'maxLength'`,
+      ];
+
+      for (let i = 0; i < results.length; i++) {
+        expect(results[i].code).toBe(ruleId);
+        expect(results[i].message).toBe(expectedMessages[i]);
+        expect(results[i].severity).toBe(expectedSeverity);
+        expect(results[i].path.join('.')).toBe(expectedPath);
+      }
+    });
   });
 });
diff --git a/packages/ruleset/test/utils/root-document.js b/packages/ruleset/test/utils/root-document.js
index 3830f43a..536f6baa 100644
--- a/packages/ruleset/test/utils/root-document.js
+++ b/packages/ruleset/test/utils/root-document.js
@@ -248,6 +248,7 @@ module.exports = {
                   type: 'string',
                   minLength: 0,
                   maxLength: 512,
+                  pattern: '^[a-zA-Z0-9 ]+$',
                 },
               },
             },
@@ -1039,7 +1040,9 @@ module.exports = {
           trace: {
             description: 'The error trace information.',
             type: 'string',
-            format: 'uuid',
+            format: 'identifier',
+            pattern: '^[a-zA-Z0-9 ]+$',
+            maxLength: 30,
           },
         },
       },
@@ -1055,10 +1058,16 @@ module.exports = {
           message: {
             description: 'The error message.',
             type: 'string',
+            pattern: '^[a-zA-Z0-9 ]+$',
+            minLength: 1,
+            maxLength: 128,
           },
           more_info: {
             description: 'Additional info about the error.',
             type: 'string',
+            pattern: '^[a-zA-Z0-9 ]+$',
+            minLength: 1,
+            maxLength: 128,
           },
           target: {
             $ref: '#/components/schemas/ErrorTarget',
@@ -1078,6 +1087,9 @@ module.exports = {
             description:
               'The name of the field/header/query parameter associated with the error.',
             type: 'string',
+            pattern: '^[a-zA-Z0-9 ]+$',
+            minLength: 1,
+            maxLength: 30,
           },
         },
       },
diff --git a/packages/validator/test/cli-validator/mock-files/oas3/clean-with-tabs.yml b/packages/validator/test/cli-validator/mock-files/oas3/clean-with-tabs.yml
index 00cc42f9..9f0abbc3 100644
--- a/packages/validator/test/cli-validator/mock-files/oas3/clean-with-tabs.yml
+++ b/packages/validator/test/cli-validator/mock-files/oas3/clean-with-tabs.yml
@@ -48,6 +48,9 @@ paths:
 							schema:
 								type: string
 								description: A link to the next page of responses
+								pattern: '^[a-zA-Z0-9]+$'
+								minLength: 1
+								maxLength: 128
 					content:
 						application/json:
 							schema:
@@ -159,6 +162,9 @@ components:
 				next_token:
 					type: string
 					description: next token
+					pattern: '^[a-zA-Z0-9_]+$'
+					minLength: 1
+					maxLength: 128
 				first:
 					allOf:
 						- $ref: '#/components/schemas/PageLink'
@@ -190,6 +196,9 @@ components:
 				href:
 					description: Request URL string
 					type: string
+					pattern: '^[a-zA-Z0-9]+$'
+					minLength: 1
+					maxLength: 128
 		Error:
 			type: object
 			description:
diff --git a/packages/validator/test/cli-validator/mock-files/oas3/clean.yml b/packages/validator/test/cli-validator/mock-files/oas3/clean.yml
index 7a8fd7ba..763dd131 100644
--- a/packages/validator/test/cli-validator/mock-files/oas3/clean.yml
+++ b/packages/validator/test/cli-validator/mock-files/oas3/clean.yml
@@ -48,6 +48,9 @@ paths:
               schema:
                 type: string
                 description: A link to the next page of responses
+                pattern: '^[a-zA-Z0-9]+$'
+                minLength: 1
+                maxLength: 128
           content:
             application/json:
               schema:
@@ -159,6 +162,9 @@ components:
         next_token:
           type: string
           description: next token
+          pattern: '^[a-zA-Z0-9_]+$'
+          minLength: 1
+          maxLength: 128
         first:
           allOf:
             - $ref: '#/components/schemas/PageLink'
@@ -190,6 +196,9 @@ components:
         href:
           description: Request URL string
           type: string
+          pattern: '^[a-zA-Z0-9]+$'
+          minLength: 1
+          maxLength: 128
     Error:
       type: object
       description:
diff --git a/packages/validator/test/cli-validator/mock-files/oas31/clean.yml b/packages/validator/test/cli-validator/mock-files/oas31/clean.yml
index aaed48ae..e1d498c9 100644
--- a/packages/validator/test/cli-validator/mock-files/oas31/clean.yml
+++ b/packages/validator/test/cli-validator/mock-files/oas31/clean.yml
@@ -48,6 +48,9 @@ paths:
               schema:
                 type: string
                 description: A link to the next page of responses
+                pattern: '^[a-zA-Z0-9]+$'
+                minLength: 1
+                maxLength: 128
           content:
             application/json:
               schema:
@@ -159,6 +162,9 @@ components:
         next_token:
           type: string
           description: next token
+          pattern: '^[a-zA-Z0-9_]+$'
+          minLength: 1
+          maxLength: 128
         first:
           allOf:
             - $ref: '#/components/schemas/PageLink'
@@ -190,6 +196,9 @@ components:
         href:
           description: Request URL string
           type: string
+          pattern: '^[a-zA-Z0-9]+$'
+          minLength: 1
+          maxLength: 128
     Error:
       type: object
       description: