How to Use RIGHTB Function

The RIGHTB function returns the last characters in a text string based on the number of bytes you specified. When a double-byte character set (DBCS, e.g., Japanese, Simplified Chinese, Traditional Chinese, and Korean) is set as the default language, each character will be counted as 2 bytes. Otherwise, the RIGHTB function is the same as RIGHT function.




- Text is required, the text string that contains the text you need to extract;

- Number_bytes is optional, the number of characters you need to extract from the right.


Num_bytes _bytes needs to be greater than or equal to 0;

- If num_bytes is omitted, the result returns to the last character;

- If num_bytes has decimals, only integer portion will be extracted;

- If num_bytes is negative, the result returns #VALUE!

Example: Extract the last character from the text string in cell A2.

= RIGHTB(A2,1)

The result returns "n", the last character in the sentence.

Download: RIGHTB Function

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