regexp vs indexOf

JavaScript performance comparison

Revision 18 of this test case created on 27th June 2012

Preparation code

<script>
  var str = "adsfasdfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffhello world! asdfasssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
asdfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff dsaf  asdfas asdfasdf asdf asdfasdfasdf akjf;akjsfd ;alk jfa;klsdjf aksdjf ;akjfasdfa;kdj ;ak jf;askjdf a;skdfj ;akjfa ;ksdjf a;skdjf;a kjfa;kljf a;ksjdf;ak jdfkjasdkjfa;lskdjf;a jdsfkajsd;flkja;ksdjfa;ksjf as fa;klsjf;aksljdf akdlfj a;kdfj adkfsj a;fja; fja;ljf a;ksjdf ;akjfs a;ksjf;a jfa;lkj f;aksjf a;kjsfdklajsdfkajs dfkajsdf;klaj sdf;kja;sldkfja;klsjf akjf a;kl jfakfjda; kjfa;kfja;kfja;kfdjakfja;kdfja;kjdfaksjdfkasjdfkasjdfkasjdf";
</script>

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Testing in unknown unknown
Test		Ops/sec
Regexp	`str.match(/world/);`	pending…
indexOf	`str.indexOf("world");`	pending…

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Revisions

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Revision 1: published on 21st January 2011
Revision 3: published by Dave Tonge on 5th September 2011
Revision 4: published by Rafael on 27th September 2011
Revision 7: published on 16th November 2011
Revision 8: published by Paul Grenier on 17th November 2011
Revision 9: published by HA on 21st December 2011
Revision 10: published by HA on 21st December 2011
Revision 11: published on 10th March 2012
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Revision 13: published by Michael Bester on 15th March 2012
Revision 14: published by @tjmehta on 24th May 2012
Revision 15: published by Seamus on 7th June 2012 and last updated on 8th June 2012
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Revision 18: published on 27th June 2012
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