diff --git a/lib/rules/no-undef-components.js b/lib/rules/no-undef-components.js
index 4371add7c..3c094fca1 100644
--- a/lib/rules/no-undef-components.js
+++ b/lib/rules/no-undef-components.js
@@ -120,6 +120,9 @@ module.exports = {
         properties: {
           ignorePatterns: {
             type: 'array'
+          },
+          strict: {
+            type: 'boolean'
           }
         },
         additionalProperties: false
@@ -155,10 +158,15 @@ module.exports = {
         return false
       }
       const pascalCaseName = casing.pascalCase(rawName)
+
       // Check ignored patterns
       if (
         ignorePatterns.some((pattern) => {
-          const regExp = new RegExp(pattern)
+          const regExp = new RegExp(
+            options.strict === true || options.strict === undefined
+              ? `^${pattern}$`
+              : pattern
+          )
           return (
             regExp.test(rawName) ||
             regExp.test(kebabCaseName) ||
diff --git a/tests/lib/rules/no-undef-components.js b/tests/lib/rules/no-undef-components.js
index 37a3bec68..ce7757c75 100644
--- a/tests/lib/rules/no-undef-components.js
+++ b/tests/lib/rules/no-undef-components.js
@@ -108,6 +108,7 @@ tester.run('no-undef-components', rule, {
         }
       ]
     },
+
     // circular references
     {
       filename: 'test.vue',
@@ -685,6 +686,7 @@ tester.run('no-undef-components', rule, {
       }
     }
   ],
+
   invalid: [
     // <script setup>
     {
@@ -843,6 +845,40 @@ tester.run('no-undef-components', rule, {
       ]
     },
 
+    // Strict ignore pattern
+    {
+      filename: 'test.vue',
+      code: `
+      <template>
+        <FooBar />
+      </template>
+      `,
+      options: [{ ignorePatterns: ['Foo'], strict: true }],
+      errors: [
+        {
+          message: "The '<FooBar>' component has been used, but not defined.",
+          line: 3
+        }
+      ]
+    },
+
+    // Default to strict
+    {
+      filename: 'test.vue',
+      code: `
+      <template>
+        <FooBar />
+      </template>
+      `,
+      options: [{ ignorePatterns: ['Foo'] }],
+      errors: [
+        {
+          message: "The '<FooBar>' component has been used, but not defined.",
+          line: 3
+        }
+      ]
+    },
+
     // options API
     {
       filename: 'test.vue',