yashseth391
diff --git a/‎palindrome.js‎
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+// filename: palindrome.js
+// Run: node palindrome.js racecar
+const input = process.argv[2];
+if (!input) {
+ console.log("Usage: node palindrome.js <string>");
+ process.exit(1);
+}
+function isPalindrome(str) {
+ const cleaned = str.toLowerCase().replace(/[^a-z0-9]/g, "");
+ return cleaned === cleaned.split("").reverse().join("");
+}
+console.log(`${input} → ${isPalindrome(input) ? "Palindrome" : "Not Palindrome"}`);