如何验证密码文本框控件以仅允许字母和&特殊字符 [英] How to validate Password text box control to to allow only letters & special characters

问题描述

如何验证密码只允许字母和特殊字符，为此我使用常规表达式验证，但它没有正常工作，就像我使用^ [a-zA-Z！@＃$％^&*] + $但是这个代码什么失败，当我只输入信件时，它没有抛出任何类型的错误..

how to validate password to allow only letters and special character , for this i used Regular expresion validation but it was not properly working like i used ^[a-zA-Z!@#$%^&*]+$ but this code what fail when i entere only letter it was not throwing any type of err ..

推荐答案

％^&*] +

但是这个代码在我只输入信件时失败了它没有抛出任何类型的错误..

but this code what fail when i entere only letter it was not throwing any type of err ..

据我所知你至少需要一个字母和至少一个特殊字符。然后尝试这个正则表达式..希望这会有所帮助

As i understand you want at least one letter and at least one special character ..then try this regex..hope this will help

if (System.Text.RegularExpressions.Regex.IsMatch("

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