tweaked logic to allow - in user names, added more commenting

src/rdrama/services/CommentParser.ts

@@ -1,22 +1,32 @@
 import { Comment } from '../models/Comment';
 
+/**
+ * A utility class for parsing Reddit comments.
+ */
 export class CommentParser {
     /**
      * Extracts Reddit usernames from the body of a single comment.
-     * @param comment A single Comment object to be processed.
+     * This method looks for patterns that match Reddit usernames, which start with "/u/" or "u/",
-     * @returns An array of unique Reddit usernames found in the comment.
+     * and collects them into a Set to ensure uniqueness. It then returns an array of these unique usernames,
+     * all in lowercase to maintain consistency.
+     * 
+     * @param {Comment} comment - A single Comment object to be processed.
+     * @returns {string[]} An array of unique Reddit usernames found in the comment.
      */
     public static extractUsernames(comment: Comment): string[] {
-        const regexPattern: RegExp = /(^|\s|\\r\\n|\\t|[".,;(){}\[\]!?@#])(\/?u\/[a-zA-Z0-9_]+)/g;
+        // Define the regex pattern to match Reddit usernames. It looks for the "/u/" prefix,
+        // optionally preceded by certain characters (like whitespace or punctuation),
+        // followed by the username consisting of alphanumeric characters and underscores.
+        const regexPattern: RegExp = /(^|\s|\\r\\n|\\t|[".,;(){}\[\]!?@#])(\/?u\/[a-zA-Z0-9_\-]+)/g;
         const foundUsernames: Set<string> = new Set();
 
         const matches = comment.body.match(regexPattern);
         if (matches) {
             matches.forEach(match => {
-                // Ensure the username is captured in a standardized format
+                // Extract the username part from the match, ensuring it's in a consistent format.
-                const usernameMatch = match.trim().match(/\/?u\/([a-zA-Z0-9_]+)/);
+                const usernameMatch = match.trim().match(/\/?u\/([a-zA-Z0-9_\-]+)/);
                 if (usernameMatch) {
-                    // Standardize to "username" format
+                    // Convert the username to lowercase and add it to the Set to ensure uniqueness.
                     const username = `${usernameMatch[1].toLowerCase()}`;
                     foundUsernames.add(username);
                 }