re = /[a-zA-Z]:(\\[^\:\\]+)\\Microsoft\\Windows Defender\\[a-z-A-Z]latform\\[a-zA-Z0-9]{0,8}.[a-zA-Z0-9]{0,8}.[a-zA-Z0-9]{0,8}.[a-zA-Z0-9]{0,8}-[a-zA-Z0-9]{0,8}\\MsMpEng.exe/m
str = 'C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\4.18.1806.18062-0\\MsMpEng.exe'
# 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