| = f | A '=' character followed by another character f which is used as the numeric fill character. |
| ^ | Do not use grouping characters, regardless of the current locale default. |
| + | Represent positive values by prefixing them with a positive sign, and negative values by prefixing them with a negative sign. This is the default. |
| ( | Enclose negative values in parentheses. |
| ! | Do not include a currency symbol in the output. |
| - | Left justify the result. Only valid when a field width is specified. |
|