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Collect number from string

Posted By:satyapriyanayak       Posted Date: August 07, 2013    Points: 40    Category: ASP.NET Controls    URL: http://www.dotnetspark.com  

We will know how to collect number from string.

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title>Untitled Page</title>



    <form id="form1" runat="server">


    <asp:TextBox ID="txtInput" runat="server"></asp:TextBox><br />

        <asp:Button ID="btncollect" runat="server" Text="CollectNumber" OnClick="btncollect_Click" /><br />

        <asp:Label ID="lblMessage" runat="server"></asp:Label>







Imports System.Text.RegularExpressions

Partial Class _Default

    Inherits System.Web.UI.Page


    Protected Sub btncollect_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btncollect.Click

        lblMessage.Text = CollectNumbers(txtInput.Text)

    End Sub


    Public Function CollectNumbers(ByVal collectnum As String) As String

        Return String.Join(Nothing, Regex.Split(collectnum, "[^\d]"))

    End Function

End Class


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