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.