擅长:python、mysql、java
<p>您可以使用以下正则表达式,因为它忽略电子邮件地址。在</p>
<pre><code>(^|[^@\w])@(\w{1,15})
</code></pre>
<p><strong>示例代码</strong></p>
^{pr2}$
<p>这将返回:</p>
<pre><code>[('', 'RayFranco'), (' ', 'jjconti'), ("'", 'username83'), (' ', 'probablyfaketwi')]
</code></pre>
<p>注意,twitter允许最多15个字符作为twitter用户名。基于<a href="https://support.twitter.com/articles/101299#error" rel="nofollow noreferrer">Twitter specs</a>:</p>
<blockquote>
<p>Your username cannot be longer than 15 characters. Your real name can
be longer (20 characters), but usernames are kept shorter for the sake
of ease. A username can only contain alphanumeric characters (letters
A-Z, numbers 0-9) with the exception of underscores, as noted above.
Check to make sure your desired username doesn't contain any symbols,
dashes, or spaces.</p>
</blockquote>