| string | palindrome? |
|---|---|
| 123 456 789 09 87 65 43 21 | |
| 012 34 3 21 | |
| put it up | |
| stack cats | |
| No ‘x’ in Nixon | |
| step on no pets | |
| Was it a car or a cat I saw? | |
| A man, a plan, a canal - Panama! | |
| Doc, note: I dissent. A fast never prevents a fatness. I diet on cod. | |
| This is not a palindrome. That's the reason there's a red "x" instead of a green checkmark. | |
| T. Eliot, top bard, notes putrid tang emanating, is sad; I'd assign it a name: gnat dirt upset on drab pot toilet. |