JavaScript RegExp \d 元字符
定义和用法
\d 元字符用于查找数字字符。
语法
new RegExp("\d")
直接量语法：
/\d/
浏览器支持
所有主流浏览器都支持 \d 元字符。
JS 参考手册
JavaScript
- JS Array
- JS Boolean
- JS Class
- JS Date
- JS Error
- JS Global
- JS JSON
- JS Math
- JS Number
- JS RegExp
- JS String
- JS 运算符
- JS 语句
HTML DOM
- DOM Attribute
- DOM Document
- DOM Element
- DOM Event
- DOM Event 对象
- DOM HTMLCollection
- DOM Location
- DOM Navigator
- DOM Screen
- DOM Style
- DOM Window
Web API
HTML 对象
- <a>
- <abbr>
- <address>
- <area>
- <article>
- <aside>
- <audio>
- <b>
- <base>
- <bdo>
- <blockquote>
- <body>
- <br>
- <button>
- <canvas>
- <caption>
- <cite>
- <code>
- <col>
- <colgroup>
- <datalist>
- <dd>
- <del>
- <details>
- <dfn>
- <dialog>
- <div>
- <dl>
- <dt>
- <em>
- <embed>
- <fieldset>
- <figcaption>
- <figure>
- <footer>
- <form>
- <head>
- <header>
- <h1> - <h6>
- <hr>
- <html>
- <i>
- <iframe>
- <img>
- <ins>
- <input> button
- <input> checkbox
- <input> color
- <input> date
- <input> datetime
- <input> datetime-local
- <input> email
- <input> file
- <input> hidden
- <input> image
- <input> month
- <input> number
- <input> password
- <input> radio
- <input> range
- <input> reset
- <input> search
- <input> submit
- <input> text
- <input> time
- <input> url
- <input> week
- <kbd>
- <label>
- <legend>
- <li>
- <link>
- <map>
- <mark>
- <menu>
- <menuitem>
- <meta>
- <meter>
- <nav>
- <object>
- <ol>
- <optgroup>
- <option>
- <output>
- <p>
- <param>
- <pre>
- <progress>
- <q>
- <s>
- <samp>
- <script>
- <section>
- <select>
- <small>
- <source>
- <span>
- <strong>
- <style>
- <sub>
- <summary>
- <sup>
- <table>
- <tbody>
- <td>
- <tfoot>
- <th>
- <thead>
- <tr>
- <textarea>
- <time>
- <title>
- <track>
- <u>
- <ul>
- <var>
- <video>