Best way to extract a field from a chunk of text?

[DEATHFISH]

Any help? The regex should work except that there is a line break in between which might be causing it not to detect

[loginerror (Maciej Kuźmicz)]

Hi @DEATHFISH

To allow the . to get new line characters, you will need to add the option to your Regex called Singleline.
In the Regex Matches activity, that would be this one:

[neonova]

You can follow the approach given by @loginerror. The pattern will remain same and you just need to add the option in Regex matches Activity