JAVA

regex java email validation

System.out.println("E-Mail Adressen: " + emailAdressen("muster@muster.de"));

public static boolean emailAdressen(String emailAdressen) {
		Pattern pattern = Pattern.compile("^[A-Z0-9_!#$%&'*+/=?`{|}~^-]+(?:.[A-Z0-9_!#$%&'*+/=?`{|}~^-]+↵
" +
				")*@[A-Z0-9-]+(?:.[A-Z0-9-]+)*$", Pattern.CASE_INSENSITIVE);
		Matcher matcher = pattern.matcher(emailAdressen);
		return matcher.find();
	}