Just found out that #airodump-ng does have --essid-regex as a filter option, supporting PCRE[1]

Does someone know how to use this option to show APs not matching a string?

--essid-regex (?!Fritz)
--essid-regex '(?!Fritz)'
and other escaped variants seems not to work.

[1] https://github.com/aircrack-ng/aircrack-ng/commit/c5e9b72aca03feeeb8fe2aa78fa34e10ec43c903