From ef91eec520d03b92145a4368a850bc1726489227 Mon Sep 17 00:00:00 2001
From: Pietro Brenna <pietro.brenna@briq.it>
Date: Sat, 22 Feb 2020 12:30:28 +0100
Subject: [PATCH] Controllo che length esista

---
 command-parse.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/command-parse.js b/command-parse.js
index a5c3dcf..889bc47 100644
--- a/command-parse.js
+++ b/command-parse.js
@@ -145,7 +145,7 @@ module.exports = function (RED) {
             let n_matches = 0;
             for (let r of this.rules) {
                 let matches = check_rule(r, token);
-                if (matches === true || matches.length > 0) {
+                if (matches === true || (matches.length && matches.length > 0)) {
                     if (matches.length > 0) {
                         msg.regex_matches[r.match_name] = matches;
                     }