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{1,3}(\.\d{1,3}){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{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/; can u explain this code ., satya

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

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