re = /^((?!\b(bobo|cu|porra|Pinto)\b).)+$/m
str = 'bobo
boboteste
cuca
cu
caracu
tomar no cu
cu doce
o cu da sua mae
que porra é essa
porrada
porra
João Pinto
Pintor'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html