Contact Us 1-800-596-4880

isUpperCase

isUpperCase(text: String): Boolean

Checks if the text contains only uppercase characters.

Introduced in DataWeave version 2.2.0.

Parameters

Name Description

text

The input string.

Example

This example shows how isUpperCase behaves with different inputs and sizes.

Source

%dw 2.0
import isUpperCase from dw::core::Strings
output application/json
---
{
  "a": isUpperCase(null),
  "b": isUpperCase(""),
  "c": isUpperCase("  "),
  "d": isUpperCase("ABC"),
  "e": isUpperCase("aBC"),
  "f": isUpperCase("A C"),
  "g": isUpperCase("A1C"),
  "h": isUpperCase("A/C")
}

Output

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

isUpperCase(text: Null): Boolean

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

Introduced in DataWeave version 2.2.0.