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<html><body><h2>JavaScript Regular Expressions</h2><p>Perform a search for the characters "THIS" in a string.</p><p id="demo"></p><script>let text = "THIS This this";let result1 = text.match(/[THIS]/g);let result2 = text.match(/[THIS]/gi);document.getElementById("demo").innerHTML =result1 + "<br>" +result2;</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_regexp_charset_gi by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:39:13 GMT --></html>