removing whitespace of NSString

An example for removing whitespace of NSString. I doubt that this function is that useful. Anyway, methods for these job are provided. [removing whitespace of NSString]

1. Removes tabs and other whitespaces.

NSString *newString = [oldString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];

2 Removes tabs, whitespaces and newlines.

NSString *newString = [oldString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];