电子邮件ID的正则表达式 [英] Regular expression for a email ID

问题描述

如何检查电子邮件ID是否首先包含数字？然后不接受邮件ID。



ex：[e-mail]



我尝试过：



^ [a-zA-Z0-9 _.-] * $这是我用过的正则表达式。

How to check if a EMail id consists a number in the first place? Then the mail id should not be accepted.

ex: [e-mail]

What I have tried:

^[a-zA-Z0-9_.-]*$ this is the regular expression i have used.

推荐答案

这是我用过的正则表达式。

this is the regular expression i have used.

试试这个：

Try this:

([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})

直接来自快餐 [ ^ ] - 它是免费的，它检查并生成正则表达式。

It's straight from the Expression Library of Expresso[^] - it's free, and it examines and generates Regular expressions.

本文使用常规表达式验证电子邮件地址ssion [ ^ ]可能会帮助你。

This article Email Address Validation Using Regular Expression[^] might help you.

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