Problem areas- null string, punctuation marks, unicode chars, multiword palindromes such as 'madam i am adam'
Anonymous
Mar 17, 2010
Yup. I was a little stupid in forgetting punctuations. God knows why I assumed it would be one long string without any punctuation. But yes,
1. null
2. numbers
3. unicode
4. punctuation
5. multi-word.
6. upper-lower case