Use the '000'# format when you want to display three leading zeros. When you use this format, the numbers that you type and the numbers that Microsoft Excel displays are listed in the following table. Use the '0'# format when you want to display one leading zero. For example, if you want to format a variable-length number with three leading zeros, create the following custom number format: When you want to display leading zeros for variable-length numbers, create a custom format with the same number of zeros (0) (in quotation marks) as leading zeros that you want to display, followed by the number sign (#). When you use this format, the numbers that you type and the numbers that Microsoft Excel displays are listed in the following table.Ĩ2170000 08217-0000 Method 2: Variable-length Numbers

Use the 00000-0000 format when you want the number to appear as five digits followed by a hyphen and four more digits. gettextf is a convenience function which provides C-style string formatting with possible translation of the format string. Attempts are made to check that the mode of the values passed match the format supplied, and R 's special values ( NA, Inf, -Inf and NaN) are handled correctly. When you use this format, the numbers that you type and the numbers that Microsoft Excel displays are listed in the following table. sprintf is a wrapper for the system sprintf C-library function. Use the 00000 format to display a number with five digits. For example, if you want to display a fixed-length number with five digits, create a custom number format with five zeros. When you want to display leading zeros for a fixed-length number, create a custom format with the same number of zeros (0) as digits that you want to display. Use one method for fixed-length numbers and use the other method for variable-length numbers.

In Microsoft Excel, you can use either of two methods for using a custom number format to display leading zeros.

R format number fill zero