如何写正则表达式 [英] how to write regular expression

问题描述

我需要asp.net的帮助.
我的朋友的名字是sharon.我的要求是，只要他输入他的名字，就会显示一条消息错误输入".我想使用常规的表达式验证器来执行此操作...

所以我应该在验证表达式中写什么表达式.

i need a help in asp.net.
My friends name is sharon.My requirement is as soon as he types his name one message should be displayed that "wrong entry ". i want to use the regular expresion validator to do this ...

so what expression should i write in validation expression.

推荐答案

不要对这样简单的东西使用正则表达式.在这种情况下，不区分大小写的String.Compare要容易得多.

问候，

曼弗雷德(Manfred)

Dont''t use a regular expression for something as simple as that. It''s far easier in this case to do a case insensitive String.Compare.

Regards,

Manfred

我建​​议您从下面的文章开始.

30分钟正则表达式教程

轻松学习正则表达式(RegEx)

I suggest, you begin with below Articles.

The 30 Minute Regex Tutorial

Learn Regular Expressions (RegEx) with Ease

开始在这里进行一些研究
http://www.regular-expressions.info/reference.html [ http://www.ultrapico.com/Expresso.htm [

Start by doing some research here
http://www.regular-expressions.info/reference.html[^]

This tool will help you test what you come up with after reading the above
http://www.ultrapico.com/Expresso.htm[^]

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