(s)
| 23 | .replace(nonAlphaNumeric, ''); /* Time O(N) | Space O(N) */ |
| 24 | |
| 25 | const reverse = (s) => |
| 26 | s |
| 27 | .split('') /* Time O(N) | Space O(N) */ |
| 28 | .reverse() /* Time O(N) | Space O(N) */ |
| 29 | .join(''); /* Time O(N) | Space O(N) */ |
| 30 | |
| 31 | /** |
| 32 | * 2 Pointer | Midde Convergence |