Strange UTF8 string comparison

Question

I\'m having this problem with UTF8 string comparison which I really have no idea about and it starts to give me headache. Please help me out.
Basically I have this strin

Answer 1

Let's try blindly: maybe both UTF-8 strings have not the same underlying representation (you can get characters with accents as a sequence or as a unique character). You should give use some hex dump of both UTF8 strings and someone may be able to help.