From 56707c0e4e20f4e217554d1cee2f4e1453d6b7ce Mon Sep 17 00:00:00 2001
From: Simperfy <28738855+Simperfy@users.noreply.github.com>
Date: Wed, 14 Apr 2021 13:16:29 +0800
Subject: [PATCH 1/2] FIXED: error when sending symbols only in chat

---
 client/src/shared/state/Chat.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/client/src/shared/state/Chat.js b/client/src/shared/state/Chat.js
index 4d9c631f..04dd79ec 100644
--- a/client/src/shared/state/Chat.js
+++ b/client/src/shared/state/Chat.js
@@ -68,10 +68,18 @@ class Chat {
         if (result === undefined) throw new Error(`Server returned an unknown scope: ${scope}`);
     }
 
+    isAlphaNumeric(str) {
+        return str.match("^[A-Za-z0-9]+$");
+    }
+
     filterProfanity(message) {
         // filter profanity only if it is enabled in the settings
         if (this.guiState.profanityFilterEnabled) {
-            return this.badWords.clean(message);
+            // check if message contains letters or numbers to avoid error
+            // https://github.com/web-mech/badwords/issues/103
+            if (this.isAlphaNumeric(message)) {
+                return this.badWords.clean(message);
+            }
         }
 
         return message;

From 7007eb095c07945863af81fb23c2b829702273d7 Mon Sep 17 00:00:00 2001
From: Simperfy <28738855+Simperfy@users.noreply.github.com>
Date: Thu, 15 Apr 2021 16:00:08 +0800
Subject: [PATCH 2/2] FIXED: regex when checking for profanity

---
 client/src/shared/state/Chat.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/client/src/shared/state/Chat.js b/client/src/shared/state/Chat.js
index 04dd79ec..bd07940a 100644
--- a/client/src/shared/state/Chat.js
+++ b/client/src/shared/state/Chat.js
@@ -68,8 +68,8 @@ class Chat {
         if (result === undefined) throw new Error(`Server returned an unknown scope: ${scope}`);
     }
 
-    isAlphaNumeric(str) {
-        return str.match("^[A-Za-z0-9]+$");
+    isAlphaNumericSpace(str) {
+        return str.match("^[\\w\\s]+$");
     }
 
     filterProfanity(message) {
@@ -77,7 +77,7 @@ class Chat {
         if (this.guiState.profanityFilterEnabled) {
             // check if message contains letters or numbers to avoid error
             // https://github.com/web-mech/badwords/issues/103
-            if (this.isAlphaNumeric(message)) {
+            if (this.isAlphaNumericSpace(message)) {
                 return this.badWords.clean(message);
             }
         }