diff --git a/src/plugins/keywordNotify/index.tsx b/src/plugins/keywordNotify/index.tsx
index 6013b195c..faacbe1a8 100644
--- a/src/plugins/keywordNotify/index.tsx
+++ b/src/plugins/keywordNotify/index.tsx
@@ -34,6 +34,14 @@ async function addRegex(updater: () => void) {
     updater();
 }
 
+function safeMatchesRegex(s: string, r: string) {
+    try {
+        return s.match(new RegExp(r));
+    } catch {
+        return false;
+    }
+}
+
 const settings = definePluginSettings({
     replace: {
         type: OptionType.COMPONENT,
@@ -107,7 +115,7 @@ export default definePlugin({
     },
 
     applyRegexes(m) {
-        if (regexes.some(r => r != "" && m.content.match(new RegExp(r)))) {
+        if (regexes.some(r => r != "" && safeMatchesRegex(m.content, r))) {
             m.mentions.push(me);
         }
     },