How to validate 'email' using Regular Expression in Java with NetBeansIDE
How to validate 'email' using Regular Expression in Java with NetBeansIDE
1. Open NetBeansIDE
2. In your project Make a java form(e.g. JFrame Form)
2.1 Design this Form with one JTextField and a button in it.
3. Make Validate.java class
3.1 In this class make a static method with code:
public static boolean validateEmail(String email) {
boolean status=false;
String EMAIL_PATTERN =
"^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@"
"[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
Pattern pattern = Pattern.compile(EMAIL_PATTERN);
Matcher matcher=pattern.matcher(email);
if(matcher.matches())
{
status=true;
}
else{
status=false;
}
return status;
}
4. Right Click on Button and Goto Events~Action~actionPerformed
4.1 In this method Call the 'validateEmail' method of Validate class
as:
boolean status=Validate.validateEmail(jTextField1.getText());
if(status){
jLabel2.setText("Email Valid");
}else{
jLabel2.setText("Not Valid Email");
}
5. Run your project with JForm.
6. Check the Validation.
7. Finish
Thank You :)
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