This function cuts a number of b characters from the left side of text a. The optional parameter c controls the behaviour of the function if no text is left after the operation.
Parameters
Parameter | Description |
|---|---|
a | Text. |
b | Number of chars to cut off. |
c | (optional) Behaviour for empty result text. Allowed value: string, empty, preserve. Default: string. See the following table for details. Note: Choose parameter type "Value" and then use the three dots to select a value. |
Parameter c can have the following values with the following function results/actions.
Temporary Result (below) / Parameter Value (right) | string | empty | preserve |
Parameter a was a field with set Empty Flag | Empty text is returned. | Empty text (string of length 0) and Empty Flag are set in the field that uses the function. | Empty text (string of length 0) and Empty Flag are set in the field that uses the function. |
No characters left | Empty text is returned. | Empty text (string of length 0) and Empty Flag are set in the field that uses the function. | Empty text is returned. |
A non-empty text remains | Result text is returned. | Result text is returned. | Result text is returned. |
Examples
Parameter a | Parameter b | Parameter c | Result | Empty Flag is set |
|---|---|---|---|---|
abc | 1 | bc | No. | |
abc | 2 | c | No. | |
abc | 3 | No. | ||
abc | 3 | string | No. | |
abc | 3 | empty | Yes. | |
abc | 3 | preserve | No. |