REGULAR EXPRESSION
RegularExpressionValidator control determine whether an input control's entered value matches a pattern defined by a regular expression.
this validation control is very useful to check predictable sequences of characters.
DEMO
regularexpressionvalidator is mostly use for validate email address, social security number, telephone number, postal (zip) code etc.
RegularExpressionValidator control determine whether an input control's entered value matches a pattern defined by a regular expression.
this validation control is very useful to check predictable sequences of characters.
DEMO
Html Coding
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table><tr><td>
<asp:Label ID="Label1" runat="server"
Text="Mobile Number"></asp:Label>
</td><td>
<asp:TextBox ID="txtMobile"
runat="server"></asp:TextBox>
<asp:RegularExpressionValidator
ID="RegularExpressionValidator2"
runat="server"
ControlToValidate="txtMobile"
ErrorMessage="Invalid Number"
ValidationExpression="^((\\+91-?)|0)?[0-9]{10}$">
</asp:RegularExpressionValidator>
</td></tr>
<tr><td>
<asp:Label ID="Label2" runat="server" Text="Email ID"></asp:Label>
</td><td>
<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1"
runat="server" ControlToValidate="txtEmail"
ErrorMessage="Invalid Email ID"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
</td></tr>
<tr><td colspan ="2">
<asp:Button ID="Button1" runat="server" Text="Save" />
</td></tr>
</table>
</div>
</form>
</body>
</html>
Mobile Number Validation Expression :
^((\\+91-?)|0)?[0-9]{10}$
regularexpressionvalidator is mostly use for validate email address, social security number, telephone number, postal (zip) code etc.
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