I got a value from server and i stored it in NSString object. In that string "'" is replaced with \u00e2\u0080\u0099. I tried to replace this by using replaceOccurencesOfString. But it shows an error. Herewith i displayed my code and error.
[mutstr_Description replaceOccurrencesOfString:@"\u00e2\u0080\u0099" withString:@"'" options:NSCaseInsensitiveSearch range:NSMakeRange(0, [mutstr_Description length])];

Help to solve this issue.
Assuming your string actually has the literal characters
\,u,0, etc., you need to do this:You need to escape the backslashes.
Update - perhaps your string actually has those control characters. Try this: