Preparation code

<script>
  var str = "This is a simple test!";
  var needle = "simple";
  var r = new RegExp('simple');
  var ri = new RegExp('simple', 'i');
</script>

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var c = /simple/.test(str)

var c = str.indexOf(needle) > -1

var c = (new RegExp(needle)).test(str);

var c = r.test(str);

var c = /simple/i.test(str);

var c = str.toLowerCase().indexOf(needle) > -1;

var c = (new RegExp(needle, 'i')).test(str);

var c = ri.test(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 14th March 2011
• Revision 2: published by regexp or indexof on 14th March 2011
• Revision 3: published on 14th March 2011
• Revision 4: published by Georgi Krustev on 29th April 2011
• Revision 7: published by lisukorin on 13th December 2012
• Revision 8: published on 21st December 2012
• Revision 9: published on 14th March 2013

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