如何在c#中允许正则表达式验证中使用有限的特殊字符
本文关键字:特殊字符 验证 正则表达式 | 更新日期: 2023-09-27 18:12:51
我正在使用下面的asp.net c#正则表达式验证
<asp:TextBox ID="txtName" runat="server" TabIndex="0"></asp:TextBox>
<asp:RequiredFieldValidator CausesValidation="true" Cssclass="state-error" SetFocusOnError="true" ID="valName" ValidationGroup="reg" Display="Dynamic"
runat="server" ControlToValidate="txtName" ErrorMessage="Name is required"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator CssClass="error-state" ID="RegularExpressionValidator1" runat="server" ControlToValidate="txtName"
ValidationExpression="[a-zA-Z ]*$" ErrorMessage="Special characters not allowed." />
现在我希望它只允许'-','(',')'字符…请帮忙!!
这应该可以满足您的要求:
<asp:TextBox ID="txtName" runat="server" TabIndex="0"></asp:TextBox>
<asp:RequiredFieldValidator CausesValidation="true" Cssclass="state-error" SetFocusOnError="true" ID="valName" ValidationGroup="reg" Display="Dynamic"
runat="server" ControlToValidate="txtName" ErrorMessage="Name is required"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator CssClass="error-state" ID="RegularExpressionValidator1" runat="server" ControlToValidate="txtName"
ValidationExpression="[a-zA-Z's()'-]*$" ErrorMessage="Special characters not allowed." />