From 66db050d5965ede72ca2d8195ff707523b896509 Mon Sep 17 00:00:00 2001
From: jinaSE0 <109025674+jinaSE0@users.noreply.github.com>
Date: Tue, 7 Jul 2026 21:10:57 +0900
Subject: [PATCH] Implement palindrome checking function

---
 valid-palindrome/jinaSE0.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 valid-palindrome/jinaSE0.ts

diff --git a/valid-palindrome/jinaSE0.ts b/valid-palindrome/jinaSE0.ts
new file mode 100644
index 000000000..3cef37750
--- /dev/null
+++ b/valid-palindrome/jinaSE0.ts
@@ -0,0 +1,14 @@
+function isPalindrome(s: string): boolean {
+    // 1. 대문자를 모두 소문자로 바꾼다.
+    const lower = s.toLowerCase()
+    // 2. 문자와 숫자가 아닌 것은 모두 제거한다.
+    const cleaned = lower.replace(/[^a-z0-9]/g,"")
+    // 3. 정리된 문자열 뒤집는다.
+    const reversed = cleaned.split("").reverse().join("")
+    // 4. 정리된 문자열과 뒤집은 문자열이 같으면true, 아니면 false
+    if(cleaned === reversed) {
+        return true
+    } else {
+        return false
+    }
+};