diff --git a/src/common/utils/search.utils.ts b/src/common/utils/search.utils.ts
index 949c47d..1f710e5 100644
--- a/src/common/utils/search.utils.ts
+++ b/src/common/utils/search.utils.ts
@@ -85,3 +85,19 @@ export async function validateYearAndSemester(
     (2009 < year && year < 2018 && semester && [1, 3].includes(semester))
   );
 }
+
+export function formatNewLectureCodeWithDot(keyword: string): string {
+  // new_code의 .을 수용할 수 있게 과목코드를 바꿔주는 함수
+
+  // 정규식: [알파벳]+[숫자]+ 형식 매칭
+  const regex = /^([a-zA-Z]+)(\d+)$/;
+
+  // 키워드가 정규식에 매칭되면 변환, 매칭되지 않으면 원래 값을 반환
+  const match = keyword.match(regex);
+  if (match) {
+    const [, letters, numbers] = match; // 알파벳 그룹과 숫자 그룹 추출
+    return `${letters}.${numbers}`; // 알파벳과 숫자 사이에 '.' 삽입
+  }
+
+  return keyword; // 변환 불가능한 경우 원래 키워드 반환
+}
diff --git a/src/prisma/repositories/course.repository.ts b/src/prisma/repositories/course.repository.ts
index aca1646..d70dc83 100644
--- a/src/prisma/repositories/course.repository.ts
+++ b/src/prisma/repositories/course.repository.ts
@@ -7,6 +7,7 @@ import { ICourse } from 'src/common/interfaces';
 import {
   applyOffset,
   applyOrder,
+  formatNewLectureCodeWithDot,
   orderFilter,
 } from 'src/common/utils/search.utils';
 import { PrismaService } from '../prisma.service';
@@ -312,11 +313,18 @@ export class CourseRepository {
         contains: keyword_space_removed,
       },
     };
+
+    const new_code_filter = {
+      new_code: {
+        contains: formatNewLectureCodeWithDot(keyword_space_removed),
+      },
+    };
     return {
       OR: [
         title_filter,
         en_title_filter,
         old_code_filter,
+        new_code_filter,
         department_name_filter,
         department_name_en_filter,
         professors_professor_name_filter,