regex ?

JavaScript performance comparison

Test case created

Preparation code

<script>
  var str = "abc1def2abc1def2abc1def2";
 
  var regex1 = /(?=(.*[0-9]){6})/;
  var regex2 = /(?=(.*?[0-9]){6})/;
 
 
  //alert(JSON.stringify(regex.exec(str)));
</script>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
without ?
regex1.exec(str);
pending…
with ?
regex2.exec(str);
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

0 comments

Add a comment