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<!DOCTYPE html>
<html>
<body>
​
<p>The test() method returns true if it finds a match, otherwise it returns false.</p>
<p>Click the button to search a string for the character "e".</p>
​
<button onclick="myFunction()">Try it</button>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  var str = "The best things in life are free";
  var patt = new RegExp("e");
  var res = patt.test(str);
  document.getElementById("demo").innerHTML = res;
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_regexp_test2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 14:02:37 GMT -->
</html>
​
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