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<!DOCTYPE html> <html> <body> <p id="demo">Click the button to do a global search for non-digit characters in a string.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var str = "Give 100%!"; var patt1 = /\D/g; var result = str.match(patt1); document.getElementById("demo").innerHTML=result; } </script> </body> </html>