Changing small to capital letters

Task

Source document

<text>this is a test</text>

Challenge

Change all small letters into capital letters.

Note that the method »upper-case()« is a function of XPath 2.0. onion.net currently only supports functions from XPath 1.0.

Desired selection (text output)

THIS IS A TEST

Exercise

Your input

Eine Lösung wäre: Lösung
Calculating position Selecting querystringSelecting querystring