iPhone-Number Formatter example

 //Number Formatter example

Ex:1
        NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
        [formatter setNumberStyle:NSNumberFormatterNoStyle];
        [formatter setPositiveFormat:@"$ ##.##"];
         [formatter setLenient:YES];


Ex:2
        NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
        [formatter setNumberStyle:NSNumberFormatterCurrencyStyle];
        [formatter setGeneratesDecimalNumbers:YES];
        [formatter setUsesGroupingSeparator:YES];
        NSString *groupingSeparator = [[NSLocale currentLocale] objectForKey:NSLocaleGroupingSeparator];
        [formatter setGroupingSeparator:groupingSeparator];
        [formatter setGroupingSize:3];