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<!DOCTYPE html> <html> <body> <h1>Regular Expressions</h1> <h2>The {n} Quantifier</h2> <p>A global search for sequence of n (4) digits:</p> <p id="demo"></p> <script> let text = "100, 1000 or 10000?"; const pattern = /\d{4}/g; let result = text.match(pattern); document.getElementById("demo").innerHTML = result; </script> </body> </html>
