diff --git a/tools/src/main/js/linter/checks/schema-comment.check.js b/tools/src/main/js/linter/checks/schema-comment.check.js
index 1bbab5aa..086a8eea 100644
--- a/tools/src/main/js/linter/checks/schema-comment.check.js
+++ b/tools/src/main/js/linter/checks/schema-comment.check.js
@@ -1,9 +1,9 @@
 /**
  * CycloneDX Schema Linter - Schema Comment Check
- * 
+ *
  * Validates that the root $comment property contains the required
  * OWASP CycloneDX standard notice.
- * 
+ *
  * @license Apache-2.0
  */
 
@@ -29,9 +29,10 @@ class SchemaCommentCheck extends LintCheck {
 
   async run(schema, rawContent, config = {}) {
     const issues = [];
-    
+
     const requiredComment = config.requiredComment ?? REQUIRED_COMMENT;
-    
+    const requiredCommentPattern = config.requiredCommentPattern;
+
     // Check if $comment exists at root level
     if (!('$comment' in schema)) {
       issues.push(this.createIssue(
@@ -41,19 +42,46 @@ class SchemaCommentCheck extends LintCheck {
       ));
       return issues;
     }
-    
-    // Check if $comment matches required value
-    if (schema.$comment !== requiredComment) {
+
+    const comment = schema.$comment;
+    if (typeof comment !== 'string') {
+      issues.push(this.createIssue(
+        'Schema $comment is not string.',
+        '$.$comment',
+        {
+          actual: comment,
+          expected: 'any string'
+        }
+      ));
+      return issues;
+    }
+
+    if (typeof requiredCommentPattern === 'string') {
+      const requiredCommentRE = new RegExp(requiredCommentPattern);
+      // Check if $comment matches required pattern
+      if (!requiredCommentRE.test(comment)) {
+        issues.push(this.createIssue(
+          '$comment does not match the required standard notice pattern.',
+          '$.$comment',
+          {
+            actual: comment,
+            expected: `matches ${requiredCommentRE.toString()}`
+          }
+        ));
+      }
+    }
+    // Check if $comment exactly matches required value
+    else if (comment !== requiredComment) {
       issues.push(this.createIssue(
         '$comment does not match the required standard notice.',
         '$.$comment',
         {
-          actual: schema.$comment,
+          actual: comment,
           expected: requiredComment
         }
       ));
     }
-    
+
     return issues;
   }
 }
diff --git a/tools/src/main/js/linter/cli.js b/tools/src/main/js/linter/cli.js
index fdcb448b..70bbfba3 100644
--- a/tools/src/main/js/linter/cli.js
+++ b/tools/src/main/js/linter/cli.js
@@ -110,7 +110,7 @@ Configuration:
   {
     "checks": {
       "schema-id-pattern": {
-        "pattern": "^https://cyclonedx\\\\.org/schema/.*\\\\.schema\\\\.json$"
+        "pattern": "^https://cyclonedx\\\\.org/schema/.+\\\\.schema\\\\.json$"
       },
       "formatting-indent": {
         "spaces": 2
@@ -184,7 +184,11 @@ function loadConfig(configPath) {
     }
   }
 
-  if (configPath && existsSync(configPath)) {
+  if (configPath) {
+    if (!existsSync(configPath)) {
+      console.error(`Missing config file: ${configPath}`);
+      process.exit(1);
+    }
     try {
       return JSON.parse(readFileSync(configPath, 'utf-8'));
     } catch (err) {