Question

我的问题很小。我不了解JavaScript的语法我要做的实际上是导致以下代码发生：使用此正则表达式： ^（（[[0-9] | [1-9] [0-9] | 1 [0-9] {2} | 2 [0-4] [0-9] | 25 [0-5]）。）{3}（[0-9] | [1-9] [0-9] | 1 [0-9] {2} | 2 [0-4] [0-9] | 25 [0-5] ）$

   <!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"
        integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
        crossorigin="anonymous">
</script>
<meta charset="utf-8" />
<title></title>
<script>

    $(document).ready(function () {
        $("#but").click(check);
    });

    function check() {
        var str = $("#dataCon").val();
        var result = str.match(/\d/g);
       alert(result);
    }
</script>
</head>
<body>
<textarea id="dataCon"></textarea>
<button id="but">Click here</button>
</body>
</html>

JavaScript RegExp IP地址

0 个答案: