Characters that can be used to create custom numeric format strings: '0' - Zero placeholder, '#' - Digit placeholder, '.' ...

Characters that can be used to create custom numeric format strings:

    '0' - Zero placeholder, 
    '#' - Digit placeholder,
    '.' - Decimal point,
    ',' - Thousand separator and number scaling,
    '%' - Percentage placeholder,
    'E0' - Scientific notation,
    '\' - Escape character,
    ';' - Section separator.

All other characters are copied to the output string as literals in the position they appear.