1 files changed, 14 insertions, 0 deletions
diff --git a/conversations/src/main/java/eu/siacs/conversations/utils/Validator.java b/conversations/src/main/java/eu/siacs/conversations/utils/Validator.java
new file mode 100644
index 00000000..00130fa2
--- /dev/null
+++ b/conversations/src/main/java/eu/siacs/conversations/utils/Validator.java
@@ -0,0 +1,14 @@
+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(
+			"^[^@/<>'\"\\s]+@[^@/<>'\"\\s]+$", Pattern.CASE_INSENSITIVE);
+
+	public static boolean isValidJid(String jid) {
+		Matcher matcher = VALID_JID.matcher(jid);
+		return matcher.find();
+	}
+}