diff --git a/src/Entry.ts b/src/Entry.ts
index a9f79fe..0326b29 100644
--- a/src/Entry.ts
+++ b/src/Entry.ts
@@ -565,6 +565,9 @@ export class Entry {
     replace_string(where: string, from: string, to: string) {
         return where.replaceAll(from, to)
     }
+    reverse_of_string(str: string) {
+        return str.split("").reverse().join("")
+    }
 
     /* 자료 */
     get_variable(id: string) {