author | Christian Urban <christian dot urban at kcl dot ac dot uk> |
Wed, 02 Oct 2013 01:02:50 +0100 | |
changeset 121 | 43c116860e47 |
parent 93 | progs/re-internal.rb@4794759139ea |
child 226 | e3c454e31224 |
permissions | -rw-r--r-- |
# provided by Daniel Baldwin nums = (1..100) #iterate through the nums 1-100 nums.each do |i| start_time = Time.now string = "a" * i #create a new regular expression based on current value of i re = Regexp.new(/((a?){#{i}})(a{#{i}})/) re.match(string) #if re.match(string) # puts "matched string a * #{i} with regex #{re}" #else # puts "unmatched string a * #{i} with regex #{re}" #end puts "#{i} %.5f" % (Time.now - start_time) end