replace string vs regex vs new RegExp (v9)

Revision 9 of this benchmark created on

Preparation HTML

<script>
  var startString = "xxxxxxxxxabcxxxxxxabcxx";
  var endStringRegEx = undefined;
  var endStringString = undefined;
  var endStringRegExNewStr = undefined;
  var endStringRegExNew = undefined;
  var endStringStoredRegEx = undefined;
  
  var re = new RegExp("abc", "g");
  var sstt='abc';var sstn='def';
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
Regex
endStringRegEx = startString.replace(/abc/g, sstn)
ready
String
endStringString = startString.replace(sstt, sstn, "g")
ready
new RegExp String
endStringRegExNewStr = startString.replace(new RegExp(sstt, "g"), sstn);
ready
new RegExp
endStringRegExNew = startString.replace(new RegExp(/abc/g), sstn);
ready
saved RegExp
endStringStoredRegEx = startString.replace(re, sstn)
ready

Revisions

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