feat(words): optimised word filter (#379)

* feat: optimised word filter(alex)

* feat: added <> to the regex

* suggestion: added function for the regex

* fix: altered regex

Co-authored-by: Allan Regush <[email protected]>

Author: Vyvy-vi

src/words.ts

@@ -17,8 +17,11 @@ export const words = async (message: Message) => {
     return;
   }
 
-  const match = alex.markdown(message.content, ALEX as alex.Config).messages;
-
+  // Regex to remove puntuation from text
+  const match = alex.markdown(
+    stripSpecialCharacters(message.content),
+    ALEX as alex.Config
+  ).messages;
   if (match.length) {
     const embed = defaultEmbed(config.COLORS.alerts)
       .setTitle(`You used the word "${match[0].actual}"`)
@@ -36,3 +39,11 @@ export const words = async (message: Message) => {
 
   return;
 };
+
+// Utility function for removing special characters
+function stripSpecialCharacters(str: string) {
+  // match special symbols and replace with ' '
+  str = str.replace(/[.,/#!$%&*;:{}=\-_'"~()]/g, ' ');
+  // match double whitespace with single space for cleaner string
+  return str.replace(/\s{2,}/g, ' ');
+}