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fromHex(String): Number

Transforms a hexadecimal number into decimal number.

Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.


Name Description


The hexadecimal number represented in a String.


This example shows how the toBinary behaves with different inputs.


%dw 2.0
import fromHex from dw::core::Numbers
output application/json
    a: fromHex("-1"),
    b: fromHex("3e3aeb4ae1383562f4b82261d969f7ac94ca4000000000000000"),
    c: fromHex(0),
    d: fromHex(null),
    e: fromHex("f"),


  "a": -1,
  "b": 100000000000000000000000000000000000000000000000000000000000000,
  "c": 0,
  "d": null,
  "e": 15

fromHex(Null): Null

Helper function to make fromHex work with null value.

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