Email Validator

EmailValidator

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class EmailValidator {

	public boolean isValidEmailAddress(String emailAddress) {
		String expression = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
		CharSequence inputStr = emailAddress;
		Pattern pattern = Pattern.compile(expression, Pattern.CASE_INSENSITIVE);
		Matcher matcher = pattern.matcher(inputStr);

		return matcher.matches();
	}
}

A simple emailValidator method for copy n paste