re = /^([^(\/]+)(?:\((.*?)\))?\/([^?]+)\?select=(.*)$/m
str = 'Table_name(1)/field?select=Name
Table_name/field?select=Name
bla-bla-bla(123)/zsdfgdsg?select=Name2
bla-bla-bla(897646)/rytutuityi?select=Name3'
# 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