Regex Performance Testing

JavaScript performance comparison

Test case created by Levi Hackwith

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var precompiledRegex = /[a-z]/g,
      myHtml,
      preCompiledReplaceRegex = /test/g; 
  
  myHtml = "<span>This is a test</span><div>Of a regex</div><p>test</p><em>test</em>";

};
</script>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Precompiled Regex (Replace)
myHtml.replace(preCompiledReplaceRegex, 'kittens');
pending…
Non-Precompiled Regex (Replace)
myHtml.replace(/test/g, "kittens");
pending…

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Revisions

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