replace string vs regex vs new RegExp (v7)

Revision 7 of this benchmark created by Francisc on

Preparation HTML

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

Test runner

Ready to run.

Testing in
TestOps/sec
Regex
endStringRegEx = startString.replace(/abc/g, "def")
ready
String
endStringString = startString.replace("abc", "def", "g")
ready
new RegExp String
endStringRegExNewStr = startString.replace(new RegExp("abc", "g"), "def");
ready
new RegExp
endStringRegExNew = startString.replace(new RegExp(/abc/g), "def");
ready
saved RegExp
endStringStoredRegEx = startString.replace(re, "def")
ready
RegExp (without new)
endStringRegExWithoutNew=startString.replace(RegExp(/abc/g), "def");
ready

Revisions

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