re = /(\d+)?(d\d+)?(dl\d+)?(dh\d+)?/m
str = '1d5
d7
5
7d5dl2
6d1dh4
d1dl9dh1
4dl1'
# 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