src/eu/siacs/conversations/utils/Validator.java


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package eu.siacs.conversations.utils;

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

public class Validator {
	public static final Pattern VALID_JID = 
		    Pattern.compile("\\b^[A-Z0-9._%+-]+@([A-Z0-9.-]+\\.)?\\d{1,3}[.]\\d{1,3}[.]\\d{1,3}[.]\\d{1,3}\\b$|^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);
	
	public static boolean isValidJid(String jid) {
		Matcher matcher = VALID_JID.matcher(jid);
		return matcher.find();
	}
}