Remove Only Number or Letter from Textbox (VB.Net)

This tutorial will show you how to remove only Number or only Letter from textbox. I designed one Textbox for input text and another to Buttons which one is Remove Number and other is Remove Text. All both buttons us Click_Event:

•  Remove Number: will remove all number from textbox when we click.
•  Remove Text: will remove all letter from textbox when we click.

 

No	Control type	Name	Text
1	Form1	FormRemoveNumber	Remove Only Number/Text
2	TextBox1	TextBoxWord
3	Button1	ButonRemoveText	Remove Text
4	Button2	ButtonRemoveNumer	Remove Number

Code

Public Class FormRemoveNumber

    Private Sub ButtonRemoveText_Click(sender As Object, e As EventArgs) Handles ButtonRemoveText.Click

        Dim rep As String = String.Empty

        For i As Integer = 0 To TextBoxWord.Text.Length - 1

            If IsNumeric(TextBoxWord.Text.Substring(i, 1)) Then

                rep += TextBoxWord.Text.Substring(i, 1)

            End If

        Next

        TextBoxWord.Text = rep

    End Sub

    Private Sub ButtonRemoveNumber_Click(sender As Object, e As EventArgs) Handles ButtonRemoveNumber.Click

        Dim rep As String = String.Empty

        For i As Integer = 0 To TextBoxWord.Text.Length - 1

            If Not IsNumeric(TextBoxWord.Text.Substring(i, 1)) Then

                rep += TextBoxWord.Text.Substring(i, 1)

            End If

        Next

        TextBoxWord.Text = rep

    End Sub

End Class

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