substring
substring(text: String, from: Number, until: Number): String
Returns a substring that spans from the character at the
specified from index to the last character before the
until index.
The characters in the substring satisfy the condition
from <= indexOf(string) < until.
Introduced in DataWeave version 2.4.0.
Parameters
| Name | Description |
|---|---|
|
The string, treated as an array of characters. |
|
The lowest index to include from the character array. |
|
The lowest index to exclude from the character array. |
Example
This example returns the substring with characters at indices
1 through 4 in the input string.
Source
%dw 2.0
import * from dw::core::Strings
output application/json
var text = "hello world!"
---
substring(text, 1, 5)DataWeaveOutput
"ello"jsonsubstring(text: Null, from: Any, until: Any): Null
Helper function that enables substring to work with a null value.
Introduced in DataWeave version 2.4.0.