chore: Make regex to match N3 rules more strict

Author: smessie

app/routes/index.js

@@ -159,8 +159,7 @@ export default class IndexRoute extends Route {
     const prefixes = text.match(prefixRegex);
 
     // Match N3 rules.
-    const rulesRegex =
-      /\{[^{}]*}\s*(=>|[^\s{}]*implies[^\s{}]*)\s*{[^{}]*}\s*\./g;
+    const rulesRegex = /\{[^{}]*}\s*(=>|[^\s{}:]*:implies)\s*{[^{}]*}\s*\./g;
     const rules = text.match(rulesRegex);
 
     // Remove N3 rules.