RegEx with BarcodeInput component

[PGriffith]

Apparently JS key event matching (or at least what we do in Perspective) doesn't work in a sane way, so you might need to match against the literal string Enter as your end-of-line character?

Perspective Key Event Regex New Line

This is expected behavior, all. At the core of the regex match is the data that we receive from a JavaScript KeyboardEvent because this executes in the scope of the browser. We’re assembling a character sequence to match against from an input source (your barcode scanner) that creates KeyboardEvents. A “new line” character shows up as a key press for the “Enter” key. https://keycode.info/ is a pretty decent way to test what KeyboardEvent data your sequence would produce. It tests a key at a…