diff --git a/README.md b/README.md
index 8b19e4e..7bcade3 100644
--- a/README.md
+++ b/README.md
@@ -57,3 +57,6 @@ Sometimes, when you type too fast or copy prompts from all over the places, you
   ```
   - When you type `girl`, it will get converted into `1girl`
   - Which will get removed if the prompt already contains `1girl`
+
+> [!Note]
+> The pattern will be wrapped in `^(regex)$`
diff --git a/javascript/pf_configs.js b/javascript/pf_configs.js
index bbbfc8c..1e0544a 100644
--- a/javascript/pf_configs.js
+++ b/javascript/pf_configs.js
@@ -69,10 +69,15 @@ class pfConfigs {
 
         for (const line of config.split("\n")) {
             const [tag, words] = line.split(":");
-            const pattern = new RegExp(words);
+            const pattern = this.#parseRegExp(words);
             alias.set(pattern, tag);
         }
 
         return alias;
     }
+
+    /** @param {string} input @returns {RegExp} */
+    static #parseRegExp(input) {
+        return new RegExp(`^(${input})$`);
+    }
 }