String#include? vs String#match

include_vs_regex.rb

require "benchmark"

n = 1000000

puts "Running include? vs regex 1 million times.\n"
Benchmark.bmbm do |results|
  results.report("include?      ") { n.times { "banana".include?('nana') } }
  results.report("match w/ regex") { n.times { "banana".match(/nana/) } }
end

=begin
Running include? vs regex 1 million times.

Rehearsal --------------------------------------------------
include?         0.230000   0.000000   0.230000 (  0.226732)
match w/ regex   0.920000   0.000000   0.920000 (  0.919457)
----------------------------------------- total: 1.150000sec

                     user     system      total        real
include?         0.220000   0.000000   0.220000 (  0.222755)
match w/ regex   0.930000   0.000000   0.930000 (  0.933484)
=end