re = /^[ \t]*((?P<label>([a-zA-Z_][a-zA-Z0-9_]*))[ \t]*:)?[ \t]*((?P<opc>[a-zA-Z]+)[ \t]*([ \t](?P<op1>[a-zA-Z0-9_\.\"]+)([ \t]*\,[ \t]*(?P<op2>[a-zA-Z0-9_]+))?)?)?[ \t\n\f\r\v]*(;.*)?$/m
str = ''
# 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