omg.rb

# frozen_string_literal: true
require 'benchmark/ips'
require 'securerandom'

str = "#{SecureRandom.alphanumeric(1000)} SUBSTR"
Benchmark.ips do |x|
  x.config(:time => 5, :warmup => 2)

  x.report("=~") do |t|
    100.times do
      str =~ /SUBSTR/
    end
  end

  x.report("match?") do |t|
    100.times do
      str.match? /SUBSTR/
    end
  end

  x.report("include?") do |t|
    100.times do
      str.include?("SUBSTR")
    end
  end

  x.compare!
end