valid-padindrome solution

Author: krokerdile

valid-palindrome/krokerdile.js

@@ -0,0 +1,9 @@
+function filterStr(inputString) {
+    return inputString.replace(/[^a-zA-Z0-9]/g, '').toLowerCase();
+}
+
+var isPalindrome = function(s) {
+    const filtered = filterStr(s);
+    const reversed = filtered.split('').reverse().join('');
+    return filtered === reversed;
+};