# provided by Daniel Baldwin+ −
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nums = (1..100)+ −
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#iterate through the nums 1-100+ −
nums.each do |i|+ −
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start_time = Time.now+ −
string = "a" * i+ −
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#create a new regular expression based on current value of i+ −
re = Regexp.new(/((a?){#{i}})(a{#{i}})/)+ −
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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+ −
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puts "#{i} %.5f" % (Time.now - start_time)+ −
end+ −