Write a JSP script to validate given E-Mail ID. [15 M]
email.html
<!DOCTYPE html>
<html>
<head>
<title>Email Validation</title>
</head>
<body>
<h2>Enter Your Email ID</h2>
<form action="validateEmail.jsp" method="post">
Email: <input type="text" name="email" required />
<br><br>
<input type="submit" value="Validate">
</form>
</body>
</html>validateEmail.jsp (JSP Validation Script)
<%@ page import="java.util.regex.*" %>
<!DOCTYPE html>
<html>
<head>
<title>Email Validation Result</title>
</head>
<body>
<%
String email = request.getParameter("email");
if(email != null) {
String emailRegex = "^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+$";
Pattern pattern = Pattern.compile(emailRegex);
Matcher matcher = pattern.matcher(email);
if(matcher.matches()) {
%>
<h2 style="color:green;">Valid Email ID</h2>
<%
} else {
%>
<h2 style="color:red;">Invalid Email ID</h2>
<%
}
}
%>
</body>
</html>