🎨 Valid Palindrome Solution

Author: lwy-0418

valid-palindrome/dalpang81.java

@@ -0,0 +1,12 @@
+class Solution {
+    public boolean isPalindrome(String s) {
+        s = s.toLowerCase().trim();
+        s = s.replaceAll("[^a-z0-9]", "");
+
+        StringBuffer sb = new StringBuffer(s);
+        String reverse = sb.reverse().toString();
+
+        return(s.equals(reverse));
+
+    }
+}