正则表达式问题....

本文介绍了正则表达式问题....的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

HI专家， 我正在用C＃做一个Windows应用程序，而且我陷入了验证过程。 我想要检查文本框中的值是否为数字。但有一个条件不仅是数字而且还支持+符号.... 这里我用ahev使用Regx方法......这是下面的示例代码...

Regex.IsMatch（txt_Country_Code.Text.Trim（）， ^ [0-9] + $）

但现在它只支持数字..我需要，它包括数字也支持+符号.. Plz帮我解决了这个问题.. Thnaks Dileep

解决方案

）

但是现在它只支持数字..我需要，它包括数字也支持+符号.. Plz帮助我来解决这个问题.. Thnaks Dileep ^ \\ +？[0-9] +

msdn.microsoft/en-us/library/az24scfc.aspx [ ^ ] 我们这里有一个Regular Expessions论坛。

HI Experts, I am Doing a Windows application in C#, And i am stuck in a validation process. I want to check the value in a text box is numeric or not. But one condition is Not only the numeric but also it supports "+" sign.... Here i ahev used the Regx method... Here is the below sample code...

Regex.IsMatch(txt_Country_Code.Text.Trim(), "^[0-9]+$")

But now it supports only the numbers.. i need , it include the numeric also it suport "+" sign.. Plz help me to solve this problem.. Thnaks Dileep

解决方案

")

But now it supports only the numbers.. i need , it include the numeric also it suport "+" sign.. Plz help me to solve this problem.. Thnaks Dileep

"^\\+?[0-9]+

" msdn.microsoft/en-us/library/az24scfc.aspx[^] And we have a Regular Expessions forum here.