1 # provided by Daniel Baldwin

     2 

     3 nums = (1..100)

     4 

     5 #iterate through the nums 1-100

     6 nums.each do |i|

     7 

     8 	start_time = Time.now

     9 	string = "a" * i

    10 

    11 	#create a new regular expression based on current value of i

    12 	re = Regexp.new(/((a?){#{i}})(a{#{i}})/)

    13 

    14         re.match(string)

    15 	#if re.match(string)

    16 	#	puts "matched string  a * #{i} with regex #{re}"

    17 	#else

    18 	#	puts "unmatched string a * #{i} with regex #{re}"

    19 	#end

    20 	

    21   puts "#{i} %.5f" % (Time.now - start_time)

    22 end