String contains numbers
string-contains-numbers.aspx
<%@ Page Language="C#" AutoEventWireup="true"%>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
//this section create string variables.
string stringVal = "this is a sample string without number";
string stringWithNumber = "this is a sample 3 string 7 with number 5";
Label1.Text = "string..................<br />";
Label1.Text += "stringVal: " + stringVal;
Label1.Text += "<br />stringWithNumber: " + stringWithNumber;
//this line check string contains any digit/numeric value/number.
Boolean result = stringVal.Any(char.IsDigit);
//this line check string contains any digit/numeric value/number.
Boolean result2 = stringWithNumber.Any(char.IsDigit);
Label1.Text += "<br /><br />stringVal contains any number (digit, numeric value)?.........";
Label1.Text += result.ToString();
Label1.Text += "<br /><br />stringWithNumber contains any number (digit, numeric value)?...........";
Label1.Text += result2.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>c# example - string contains numbers</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:MidnightBlue; font-style:italic;">
c# example - string contains numbers
</h2>
<hr width="550" align="left" color="Gainsboro" />
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
>
</asp:Label>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="string contains numbers"
OnClick="Button1_Click"
Height="40"
Font-Bold="true"
/>
</div>
</form>
</body>
</html>
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