fix(pixiv): fix replacer regression (#41)

I broke pixiv matching/replacement at some point, not sure how lol. This should fix LinkFix + Pixiv

fixes #23

src/replacements/PixivReplacement.ts

@@ -2,7 +2,13 @@ import BaseReplacement from "./BaseReplacement";
 
 export default class PixivReplacement extends BaseReplacement {
   constructor(newDomain: string) {
+    // https://github.com/thelaao/phixiv#path-formats
     // don't strip query string -- member_illust.php?illust_id=:id
-    super(newDomain, /https?:\/\/(www\.)?pixiv\.net\/[^\s]+/g, /(www\.)?(pixiv\.net\/)/, false);
+    super(
+      newDomain,
+      /https?:\/\/(\w+\.)?pixiv\.net\/(\w+\/)?(artworks|member_illust\.php)(\/|\?illust_id=)\d+(\/?\d+)?[^\s]+/g,
+      /(\w+\.)?(pixiv\.net\/)/,
+      false,
+    );
   }
 }

src/replacements/index.ts

@@ -60,7 +60,8 @@ export const replacements: {
     return redditMediaReplacer ? redditMediaReplacer.replaceURLs(messageContent) : null;
   },
   // https://github.com/thelaao/phixiv#path-formats
-  "(\\/\\/|\\.)pixiv\\.net/(member_illust|(\\w+)?/artworks)": (messageContent) => {
-    return pixivReplacer ? pixivReplacer.replaceURLs(messageContent) : null;
-  },
+  "https?:\\/\\/(\\w+\\.)?pixiv\\.net\\/(\\w+\\/)?(artworks|member_illust\\.php)(\\/|\\?illust_id=)\\d+(\\/?\\d+)?":
+    (messageContent) => {
+      return pixivReplacer ? pixivReplacer.replaceURLs(messageContent) : null;
+    },
 };