re = /msg-type="(?!(?:JOIN|INFO|TOPIC))[^"]+"/m
str = 'msg-type="codePRIVMSGcode"
msg-type="PRIVMSG"
msg-type="PRIVMSGcode"
msg-type="codePRIVMSG"
msg-type="codeJOINcode"
msg-type="JOIN"
msg-type="JOINcode"
msg-type="codeJOIN"
msg-type="codeTOPICcode"
msg-type="codeINFOcode"
msg-type="PRIVMSG"
msg-type="OTHER"
'
# 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