re = /E:\\Software\\Download\\?(?!.*?\\).*$/m
str = 'E:\\Software\\Download\\MSEdgeDL\\miui_BOMB_21.1.28_f15be071ad_11.0
E:\\Software\\Download\\MSEdgeDL
E:\\Software\\Download\\'
# 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