Mega Code Archive
Validate user information using regular expressions
<![CDATA[
Imports System.Windows.Forms
Imports System.Text.RegularExpressions
public class RegxValidateTextBox
public Shared Sub Main
Application.Run(New FrmValid)
End Sub
End class
Public Class FrmValid
Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Friend WithEvents txtState As System.Windows.Forms.TextBox
Friend WithEvents txtLast As System.Windows.Forms.TextBox
Friend WithEvents txtFirst As System.Windows.Forms.TextBox
Friend WithEvents lblZip As System.Windows.Forms.Label
Friend WithEvents lblPhone As System.Windows.Forms.Label
Friend WithEvents lblLast As System.Windows.Forms.Label
Friend WithEvents lblFirst As System.Windows.Forms.Label
Friend WithEvents lblAddress As System.Windows.Forms.Label
Friend WithEvents txtAddress As System.Windows.Forms.TextBox
Friend WithEvents txtZip As System.Windows.Forms.TextBox
Friend WithEvents txtCity As System.Windows.Forms.TextBox
Friend WithEvents lblCity As System.Windows.Forms.Label
Friend WithEvents lblState As System.Windows.Forms.Label
Friend WithEvents txtPhone As System.Windows.Forms.TextBox
Friend WithEvents cmdOK As System.Windows.Forms.Button
'Required by the Windows Form Designer
Private components As System.ComponentModel.Container
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.txtState = New System.Windows.Forms.TextBox()
Me.txtLast = New System.Windows.Forms.TextBox()
Me.txtFirst = New System.Windows.Forms.TextBox()
Me.lblZip = New System.Windows.Forms.Label()
Me.lblPhone = New System.Windows.Forms.Label()
Me.lblLast = New System.Windows.Forms.Label()
Me.lblFirst = New System.Windows.Forms.Label()
Me.lblAddress = New System.Windows.Forms.Label()
Me.txtAddress = New System.Windows.Forms.TextBox()
Me.txtZip = New System.Windows.Forms.TextBox()
Me.txtCity = New System.Windows.Forms.TextBox()
Me.lblCity = New System.Windows.Forms.Label()
Me.lblState = New System.Windows.Forms.Label()
Me.txtPhone = New System.Windows.Forms.TextBox()
Me.cmdOK = New System.Windows.Forms.Button()
Me.SuspendLayout()
'
'txtState
'
Me.txtState.Location = New System.Drawing.Point(100, 170)
Me.txtState.Name = "txtState"
Me.txtState.Size = New System.Drawing.Size(136, 20)
Me.txtState.TabIndex = 4
Me.txtState.Text = ""
'
'txtLast
'
Me.txtLast.Location = New System.Drawing.Point(100, 30)
Me.txtLast.Name = "txtLast"
Me.txtLast.Size = New System.Drawing.Size(136, 20)
Me.txtLast.TabIndex = 0
Me.txtLast.Text = ""
'
'txtFirst
'
Me.txtFirst.Location = New System.Drawing.Point(100, 65)
Me.txtFirst.Name = "txtFirst"
Me.txtFirst.Size = New System.Drawing.Size(136, 20)
Me.txtFirst.TabIndex = 1
Me.txtFirst.Text = ""
'
'lblZip
'
Me.lblZip.Location = New System.Drawing.Point(10, 205)
Me.lblZip.Name = "lblZip"
Me.lblZip.Size = New System.Drawing.Size(80, 24)
Me.lblZip.TabIndex = 13
Me.lblZip.Text = "Zip"
Me.lblZip.TextAlign = System.Drawing.ContentAlignment.MiddleRight
'
'lblPhone
'
Me.lblPhone.Location = New System.Drawing.Point(10, 240)
Me.lblPhone.Name = "lblPhone"
Me.lblPhone.Size = New System.Drawing.Size(80, 24)
Me.lblPhone.TabIndex = 14
Me.lblPhone.Text = "Phone"
Me.lblPhone.TextAlign = System.Drawing.ContentAlignment.MiddleRight
'
'lblLast
'
Me.lblLast.Location = New System.Drawing.Point(10, 30)
Me.lblLast.Name = "lblLast"
Me.lblLast.Size = New System.Drawing.Size(80, 24)
Me.lblLast.TabIndex = 8
Me.lblLast.Text = "Last Name"
Me.lblLast.TextAlign = System.Drawing.ContentAlignment.MiddleRight
'
'lblFirst
'
Me.lblFirst.Location = New System.Drawing.Point(10, 65)
Me.lblFirst.Name = "lblFirst"
Me.lblFirst.Size = New System.Drawing.Size(80, 24)
Me.lblFirst.TabIndex = 9
Me.lblFirst.Text = "First Name"
Me.lblFirst.TextAlign = System.Drawing.ContentAlignment.MiddleRight
'
'lblAddress
'
Me.lblAddress.Location = New System.Drawing.Point(10, 100)
Me.lblAddress.Name = "lblAddress"
Me.lblAddress.Size = New System.Drawing.Size(80, 24)
Me.lblAddress.TabIndex = 10
Me.lblAddress.Text = "Address"
Me.lblAddress.TextAlign = System.Drawing.ContentAlignment.MiddleRight
'
'txtAddress
'
Me.txtAddress.Location = New System.Drawing.Point(100, 100)
Me.txtAddress.Name = "txtAddress"
Me.txtAddress.Size = New System.Drawing.Size(136, 20)
Me.txtAddress.TabIndex = 2
Me.txtAddress.Text = ""
'
'txtZip
'
Me.txtZip.Location = New System.Drawing.Point(100, 205)
Me.txtZip.Name = "txtZip"
Me.txtZip.Size = New System.Drawing.Size(136, 20)
Me.txtZip.TabIndex = 5
Me.txtZip.Text = ""
'
'txtCity
'
Me.txtCity.Location = New System.Drawing.Point(100, 135)
Me.txtCity.Name = "txtCity"
Me.txtCity.Size = New System.Drawing.Size(136, 20)
Me.txtCity.TabIndex = 3
Me.txtCity.Text = ""
'
'lblCity
'
Me.lblCity.Location = New System.Drawing.Point(10, 135)
Me.lblCity.Name = "lblCity"
Me.lblCity.Size = New System.Drawing.Size(80, 24)
Me.lblCity.TabIndex = 11
Me.lblCity.Text = "City"
Me.lblCity.TextAlign = System.Drawing.ContentAlignment.MiddleRight
'
'lblState
'
Me.lblState.Location = New System.Drawing.Point(10, 170)
Me.lblState.Name = "lblState"
Me.lblState.Size = New System.Drawing.Size(80, 24)
Me.lblState.TabIndex = 12
Me.lblState.Text = "State"
Me.lblState.TextAlign = System.Drawing.ContentAlignment.MiddleRight
'
'txtPhone
'
Me.txtPhone.Location = New System.Drawing.Point(100, 240)
Me.txtPhone.Name = "txtPhone"
Me.txtPhone.Size = New System.Drawing.Size(136, 20)
Me.txtPhone.TabIndex = 6
Me.txtPhone.Text = ""
'
'cmdOK
'
Me.cmdOK.Location = New System.Drawing.Point(112, 296)
Me.cmdOK.Name = "cmdOK"
Me.cmdOK.TabIndex = 15
Me.cmdOK.Text = "OK"
'
'FrmValid
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(312, 341)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblPhone, Me.lblZip, Me.lblState, Me.lblCity, Me.lblAddress, Me.lblFirst, Me.lblLast, Me.cmdOK, Me.txtPhone, Me.txtZip, Me.txtState, Me.txtCity, Me.txtAddress, Me.txtFirst, Me.txtLast})
Me.Name = "FrmValid"
Me.Text = "Validate"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub cmdOK_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles cmdOK.Click
If Not Regex.Match(txtLast.Text, "^[A-Z][a-zA-Z]*$").Success Then
txtLast.Text = "Invalid Last Name"
txtLast.Focus()
Return
End If
If Not Regex.Match(txtFirst.Text, "^[A-Z][a-zA-Z]*$").Success Then
txtFirst.Text = "Invalid First Name"
txtFirst.Focus()
Return
End If
If Not Regex.Match(txtAddress.Text, "^[0-9]+\s+([a-zA-Z]" & "+|[a-zA-Z]+\s[a-zA-Z]+)$").Success Then
txtAddress.Text = "Invalid Address"
txtAddress.Focus()
Return
End If
If Not Regex.Match(txtCity.Text, "^([a-zA-Z]+|[a-zA-Z]" & "+\s[a-zA-Z]+)$").Success Then
txtCity.Text = "Invalid City"
txtCity.Focus()
Return
End If
If Not Regex.Match(txtState.Text,"^([a-zA-Z]+|[a-zA-Z]+\s[a-zA-Z]+)$").Success Then
txtState.Text = "Invalid State"
txtState.Focus()
Return
End If
If Not Regex.Match(txtZip.Text, "^\d{5}$").Success Then
txtZip.Text = "Invalid zip code"
txtZip.Focus()
Return
End If
If Not Regex.Match(txtPhone.Text, "^[1-9]" & "\d{2}-[1-9]\d{2}-\d{4}$").Success Then
txtPhone.Text = "Invalid Phone Number"
txtPhone.Focus()
Return
End If
Me.Hide()
Application.Exit()
End Sub ' cmdOK_Click
End Class
]]>