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isLowerCase

isLowerCase(text: String): Boolean

Checks if the text contains only lowercase Unicode characters.

Introduced in DataWeave version 2.2.0.

Parameters

Name Description

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
}

Output

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

isLowerCase(text: Null): Boolean

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

Introduced in DataWeave version 2.2.0.