require 'json'

regexp = /\bslackware\b/i
test_post = "This isn’t a very long string – but it includes some non-ASCII™ characters…"

loops = ARGV[0].to_i

if loops <= 0
  puts "Usage: #{$PROGRAM_NAME} <n_loops>"
  exit 1
end

time_start = Time.now

loops.times do
  test_post =~ regexp
end

time_end = Time.now
total_time = time_end - time_start

puts "#{loops} loops in #{total_time} -> #{loops / total_time} loops/s"