Textbox的正则表达式（其模式为多个）允许100个字符 [英] Regular Expression for Textbox (whose mode is multiple) to allow 100 character

问题描述

在我的表单中，我使用了模式为多个的文本框。我想只允许100个字符（包括数字，特殊字符和字符）.Maxlength不适用于textbox。什么是我的正则表达式？

 <   asp：TextBox     ID   =  tb    runat   =  server    TextMode   =  MultiLine   < span class =code-keyword>>  <   / asp：TextBox  < span class =code-keyword>>  
 
 //正则表达式验证器
 <   asp：RegularExpressionValidator     ID   =  RegularExpressionValidator1    
   
           runat   =  server    ControlToValidate   =  tb    
   
           ErrorMessage   = 请输入最多100个字符。  
   
     SetFocusOnError   =  true    ValidationExpression   =  ^ [a-zA-Z。] {0,100} $ >  
 <   / asp：RegularExpressionValidator  >  

这只包括角色。我想要麻木呃，spl char或者任何但是计数不应该大于100.怎么做？

解决方案

>
< / asp：RegularExpressionValidator >

这只包括字符。我想要数字，spl char或者任何但是数字应该是怎么做？

如果你想允许任何角色，可以试试

 ValidationExpression = （。{0,100}）

或

 ValidationExpression =^（。{0,100}）

In my form I used textbox whose mode is multiple.I want to allow only 100 character (including number,special character and char).Maxlength will not work with textbox.What will be my Regular Expression?

<asp:TextBox ID="tb" runat="server" TextMode="MultiLine" ></asp:TextBox>

//Regular Expression validator
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" 

    runat="server" ControlToValidate="tb" 

    ErrorMessage="Please enter maximum 100 charachters."

 SetFocusOnError="true" ValidationExpression="^[a-zA-Z.]{0,100}$">
    </asp:RegularExpressionValidator>

This include character only.I want number,spl char or any but count should not greater than 100.How to do that?

解决方案

"> </asp:RegularExpressionValidator>

This include character only.I want number,spl char or any but count should not greater than 100.How to do that?

If you want to allow any character, try simply

ValidationExpression="(.{0,100})"

or

ValidationExpression="^(.{0,100})

"

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