There is a text file which has key-value pairs as content. The value can optionaly be quoted.

test="value"

Now I need to get the value of a specific keyof, which I do with this regex:

/test=(")?(.*)(?(1)1|)/m

This is working: https://regex101.com/r/DBAqOx/1

But in the editor

const regex = new RegExp('^' + key + '=(")?(.*)(?(1)1|)$', 'm')

I do get two errors for this codeline:

Parsing error: Octal escape sequences are not allowed. Use the syntax 'x01'. eslint
Octal escape sequences are not allowed. Use the syntax 'x01'. ts(1487)