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require 'benchmark'

Benchmark.bm(5) do |x|
  str = "MacRuby is an implementation of Ruby 1.9"

  x.report "Ruby" {
    str.match(/([^ ]+)/)
    #p $1
  }

  framework 'Foundation'
  x.report "Cocoa" {
    error = Pointer.new(:object)
    regexp =
      NSRegularExpression.regularExpressionWithPattern("([^ ]+)",
                                                       options:NSRegularExpressionCaseInsensitive,
                                                       error:error)
    match =
      regexp.firstMatchInString(str,
                                options:NSMatchingReportProgress,
                                range:NSMakeRange(0, str.length))
    #p str.substringWithRange(match.rangeAtIndex(0))
  }
end

$  macruby bm_regexp.rb
           user     system      total        real
Ruby   0.000000   0.000000   0.000000 (  0.000072)
Cocoa  0.010000   0.000000   0.010000 (  0.012324)