Remove first and last character from NSString

Remove First character from NSString:

NSString *string = @"This is sample string";
NSString *newString = [str substringFromIndex:1];
NSLog(@"New string: %@", newString);

Remove Last character from NSString:

NSString *string = @"This is sample string";
NSString *Newstring = [string substringToIndex:[string length]-1];