Preparation code

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

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regex1.exec(str);

regex2.exec(str);

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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:

• Revision 1: published on 3rd April 2011
• Revision 2: published 2 weeks ago

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