Editar el código:
ver Resultados »
Inténtalo tú mismo - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Click the button to do a global search for the numbers 1 to 4 in a string.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var str = "123456789"; var patt1 = /[1-4]/g; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> </body> </html>