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Editorial Team
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Asked: 2026-05-21T12:51:04+00:00

I have this <asp:RegularExpressionValidator ID=RegularExpressionValidator7 runat=server ControlToValidate=txtLastNameDisplay=Dynamic ErrorMessage=Alphabetic characters only ForeColor=Red ValidationExpression=^[a-zA-Z’.\-\s]{1,50)$ ></asp:RegularExpressionValidator> but

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I have this 

<asp:RegularExpressionValidator ID="RegularExpressionValidator7" runat="server"    
     ControlToValidate="txtLastName"Display="Dynamic" ErrorMessage="Alphabetic characters only"
     ForeColor="Red" ValidationExpression="^[a-zA-Z'.\-\s]{1,50)$"
></asp:RegularExpressionValidator>

but now i want to change it and make a Regex that will let the user to insert 1 character but not one of the special chars in the expression above, nor to start with one of those
special chars(also include “.” spacial char”.

NOTE : I want those specials to be accepted after the first char is alphabetic

thnx in advance

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1 Answer

  1. Editorial Team

    Try this [a-zA-Z][a-zA-Z'.\s\-]{0,50} 😀 //revised 1 to 0

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