re = /(([^\n:#]*)(?::([^\n#]+))?)(?:#([0-9A-Za-z]+)(?:\((\d+\.?\d*)\))?)?/
str = 'Phospho#g1
Glycan:Hex
Glycan:Hex#g1(0.10)
#AAA
#AAA(0.10)
Formula:C6H10O5'
# 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