Finally I ended using (it's also working for different languages of Recaptcha challenges) if someone searches for the same:
">CSS>iframe[src^=' https://www.google.com/recaptcha/api2/bframe ']>FRAME> >CSS>#recaptcha-verify-button"
I'm used to use ChromeCacheView from NirSoft for viewing the accumulated cache from warmed-up profiles. But since the last (maybe last 2-3) versions of BAS it shows nothing when opening the cache path in the profile (basprofile-folder\Default\Cache\Cache_Data).
Has there something been changed in the structure or handling for the cache in the BAS-profiles?
Any other recommendations to view and check the accumulated cache from a BAS-profile? Thanks.