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


public static boolean checkEmail(String email) {
	    boolean flag = false;
	    try {
	        String check = "^([a-z0-9A-Z]+[-|_|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
	        Pattern regex = Pattern.compile(check);
	        Matcher matcher = regex.matcher(email);
	        flag = matcher.matches();
	    } catch (Exception e) {
	        flag = false;
	    }
	    return flag;
	}