Validating textbox for multiple comma separated emailids

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ASP.NET

validation

Hi..

How should i validate textbox with proper email ids that is comma separated

Plz help

Regards,
Sofia

Posted 15-Aug-12 5:10am

sofia3

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[no name] 15-Aug-12 11:15am

Any way you want.

Kenneth Haugland 15-Aug-12 11:32am

Hey, I got edited.. :-)

[no name] 15-Aug-12 11:34am

Yes... sorry... kind of thought a comma might be more appropriate for a comma seperated split instead of a semicolon....

Kenneth Haugland 15-Aug-12 11:36am

No problem :)

Sergey Alexandrovich Kryukov 15-Aug-12 20:06pm

Problem is not formulated, not enough information to discuss.
--SA

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Kenneth Haugland · Accepted Answer · 2012-08-15T05:19:00

Solution 1

Proper E-mail is quite vage term, there are several ways of doing this:
http://forums.asp.net/t/1814131.aspx/1?How+to+verify+email+address+before+sending+a+mail+[^]

for splitting the input simply use String.Split(",")

Posted 15-Aug-12 5:19am

Kenneth Haugland

Updated 15-Aug-12 5:21am

v2

Comments

sofia3 15-Aug-12 11:49am

Hey thank you..but i want comma to be displayed automatically in textbox as soon as user enter one of the emailid

Kenneth Haugland 15-Aug-12 11:51am

i dont think you can. How about an address that ends with .com or a one that ends with .co.uk ?

sofia3 15-Aug-12 12:10pm

not specific it can be both

sofia3 15-Aug-12 12:18pm

Dim rex As Match = Regex.Match(Trim(txtEmail.Text), "^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,3})$", RegexOptions.IgnoreCase)
If rex.Success = False Then
'MessageBox.Show("Please Enter a valid Email ID", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information)
ShowMessageBox("EXCLAMATION", "Data Validation", "Kindly specify a valid EmailID.", False)
txtEmail.Focus()
Return False
Else

Return True
End If

sofia3 15-Aug-12 12:19pm

m using above code it doesnot allow me to enter comma in textbox...i simply want to allow comma how can i do that its urgent plz help

Kenneth Haugland 15-Aug-12 12:21pm

"^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,3})\,$"

sofia3 16-Aug-12 0:28am

it is not working dear i am not able to enter comma