validate username

Fri Apr 08, 2011 10:47 pm

Following code validate username using pattern regular expression.
Max length =10 , min =4 .
We check that both numbers and characters.

Code:: <% ' username Dim username Dim regularExpressions = New Regex ' regular expression . With regularExpressions .Pattern = "^[a-zA-Z0-9]{4,10}$" .IgnoreCase = True .Global = True End With username = "asi323" show test against pattern. Response.Write("asi323 tested with pattern ^[a-zA-Z0-9]{3,8}$ :" & regularExpressions.test(username)) %>