isLowerCase

isLowerCase(text: String): Boolean

Checks if the text contains only lowercase Unicode characters.

Introduced in DataWeave version 2.2.0.

Parameters

Name Description

Name	Description
`text`	The input string.

text

The input string.

Example

This example shows how isLowerCase behaves with different inputs, including Unicode characters outside the ASCII range.

Source

%dw 2.0
import isLowerCase from dw::core::Strings
output application/json
---
{
 "a": isLowerCase(null),
 "b": isLowerCase(""),
 "c": isLowerCase(" "),
 "d": isLowerCase("abc"),
 "e": isLowerCase("aBC"),
 "f": isLowerCase("a c"),
 "g": isLowerCase("a1c"),
 "h": isLowerCase("a/c"),
 "i": isLowerCase("mulesöft"), // ö is lowercase Unicode
 "j": isLowerCase("mulesÖft") // Ö is uppercase Unicode
}DataWeave

Output

{
 "a": false,
 "b": false,
 "c": false,
 "d": true,
 "e": false,
 "f": false,
 "g": false,
 "h": false,
 "i": true,
 "j": false
}JSON

isLowerCase(text: Null): Boolean

Helper function that enables isLowerCase to work with a null value.

Introduced in DataWeave version 2.2.0.