Benchmark snippet for code perfo

benchmark.rb

def regex(str) = str =~ /^https?:\/\//i

def starts_with(str)
  str.start_with?("http://") || str.start_with?("https://")
end

strings = [
  "https://example.com",
  "http://example.com",
  "example1",
  "example2"
]

require "benchmark/ips"

Benchmark.ips do |x|
  x.report("regex") { strings.each { regex(it) } }
  x.report("starts_with") { strings.each { starts_with(it) } }
  x.compare!
end

# credit to User stephannv for this snippet