点击运行
<!DOCTYPE html> <html> <body> <p>单击按钮以全局搜索“1”，后跟零或一个“0”字符。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var str = "1, 100 or 1000?"; var patt1 = /10?/g; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> </body> </html>
运行结果
