Remove the last n chars
This function removes the last n characters, while previous ones are copied to
the output as is.
When you use this function, you must define an extra parameter which is the number of characters to be removed.
The following table shows examples of masked values depending on the input value and the extra parameter.
| Input value | Extra parameter | Example of a masked value | Details |
|---|---|---|---|
| Jack | "2" | Ja | The last two characters are removed. |
| S1000D | "4" | S1 | The last four characters are removed. |