collapse
collapse(text: String): Array<String>
Collapses the string into substrings of equal characters.
Each substring contains a single character or identical characters that are adjacent to one another in the input string. Empty spaces are treated as characters.
Introduced in DataWeave version 2.4.0.
Parameters
| Name | Description |
|---|---|
|
The string to collapse. |
Example
This example shows how the function collapses characters. Notice that the empty space (" ") is treated as a character.
Source
%dw 2.0
import collapse from dw::core::Strings
output application/json
---
collapse("a b babb a")DataWeaveOutput
["a", " ", "b", " ", "b", "a", "bb", " ", "a"]Jsoncollapse(text: Null): Null
Helper function that enables collapse to work with a null value.
Introduced in DataWeave version 2.4.0.