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Substring
ryannewington edited this page Jun 23, 2016
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This transform allows extracting only certain characters from an incoming string value. The transform can perform extractions from either the left or the right hand side of the string, and supports padding the resulting string to meet a specified minimum character length
| Parameter | Description |
|---|---|
| Direction | Specifies the direction that the characters are obtained from. A start direction of 'left' with a character index of 0 starts at the end of the string. A direction of 'right' starts at the end of the string |
| Start index | The position within the string to start from. Zero is the first position |
| Length | The number of characters to obtain from the string |
| Pad type | If there are insufficient characters in the string to satisfy the length, the result can be padded with the first, last or specific character from the string. |
| Padding character | The character to use for padding when the pad type is set to use a specific value |
| --- | --- |
The transform accepts string values as inputs
The transform accepts multiple input values, and processes each of them individually.
The transform returns a string value
| Input value | Direction | Start index | Length | Pad type | Pad character | Output value |
|---|---|---|---|---|---|---|
| Bob | Left | 0 | 4 | None | Bob | |
| Bob | Left | 0 | 4 | Last Character | Bobb | |
| Bob | Left | 0 | 4 | Specific Character | x | Bobx |
| William | Left | 0 | 3 | None | Wil | |
| William | Right | 0 | 3 | None | iam |