emailid validation using java script in asp.net using c#

Question

Satyapriya Nayak · Answer

Hi Selvi Untitled Page function validate() { if(document.getElementById( ).value==) { alert(Email id can not be blank); document.getElementById( ).focus(); return false; } var emailPat = /^(\.*\|[A-Za-z]\w*)@(\[\d{13}(\.\d{13}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/; var emailid=document.getElementById( ).value; var matchArray = emailid.match(emailPat); if (matchArray == null) { alert(Your email address seems incorrect. Please try again.); document.getElementById( ).focus(); return false; } return true; } using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; namespace WebApplication16 { public partial class WebForm1 : System.Web.UI.Page { protected void Page_Load(object sender EventArgs e) { Button1.Attributes.Add(onclick return validate()); } } } Thanks

selvi subramanian · Answer

/^(\.*\|[A-Za-z]\w*)@(\[\d{13}(\.\d{13}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/; can u explain this code . satya