The Asp.net server uses regular expressions to verify data validity.

Use Asp.net for verification! The text is modified. The textbox value is checked.
File: http://files.cnblogs.com/walkingboy/LangZi.Lib.rar
DetailsCodeSee how to use Asp.net to implement the verification function! :
Easy to use:

Validtextbox vt =   New Validtextbox ();
Vt. isvalidfield (tb1, 5 , " Closed " , False );
Vt. isvaliddate (tb2, 10 , " Date " , False );
Vt. isvalidnumber (FIG, 5 , " Number " , False );
Vt. isvalidssn (tb4, 18 , " ID card " , False );
Vt. isvalidurl (tb5, 30 , " URL " , False );
Vt. isvalidzip (tb6, 10 , " Zip " , False );


If ( ! Vt. isvalid)

{
// String JS =   " <SCRIPT> alert (' " + Vt. errormsg + " '); </SCRIPT> " ;
// Response. Write (JS );
Label1.text = Vt. errormsg;
}