点击运行
<!DOCTYPE html> <html> <body> <p>单击按钮以全局搜索字符串中的十六进制数0057（W）。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var str = "Visit W3School. Hello World!"; var patt1 = /\u0057/g; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> </body> </html>
运行结果
