Passed all remaining tests in exercise 09

Now replacing punctuation and spaces with blank, converting to lower case

09_palindromes/palindromes.js

@@ -1,6 +1,7 @@
 const palindromes = function (string) {
-    const reversed = string.split("").reverse().join("");
-    if (reversed === string) {
+    const reversed = string.split("").reverse().join("").replace(/[\.,?! ]/g, "");
+    string = string.replace(/[\.,?! ]/g, "");
+    if (reversed.toLowerCase() === string.toLowerCase()) {
         return true;
     }
     return false;

09_palindromes/palindromes.spec.js

@@ -4,25 +4,25 @@ describe('palindromes', () => {
   test('works with single words', () => {
     expect(palindromes('racecar')).toBe(true);
   });
-  test.skip('works with punctuation ', () => {
+  test('works with punctuation ', () => {
     expect(palindromes('racecar!')).toBe(true);
   });
-  test.skip('works with upper-case letters ', () => {
+  test('works with upper-case letters ', () => {
     expect(palindromes('Racecar!')).toBe(true);
   });
-  test.skip('works with multiple words', () => {
+  test('works with multiple words', () => {
     expect(palindromes('A car, a man, a maraca.')).toBe(true);
   });
-  test.skip('works with multiple words', () => {
+  test('works with multiple words', () => {
     expect(palindromes('Animal loots foliated detail of stool lamina.')).toBe(true);
   });
-  test.skip('doesn\'t just always return true', () => {
+  test('doesn\'t just always return true', () => {
     expect(palindromes('ZZZZ car, a man, a maracaz.')).toBe(false);
   });
-  test.skip('works with numbers in a string', () => {
+  test('works with numbers in a string', () => {
     expect(palindromes('rac3e3car')).toBe(true);
   });
-  test.skip('works with unevenly spaced numbers in a string', () => {
+  test('works with unevenly spaced numbers in a string', () => {
     expect(palindromes('r3ace3car')).toBe(false);
   });
 });