diff --git a/backend/nestjs-seshat-api/src/providers/google/google.service.ts b/backend/nestjs-seshat-api/src/providers/google/google.service.ts
index cfe6093..80bd206 100644
--- a/backend/nestjs-seshat-api/src/providers/google/google.service.ts
+++ b/backend/nestjs-seshat-api/src/providers/google/google.service.ts
@@ -87,7 +87,7 @@ export class GoogleService {
       thumbnail: secure && item.volumeInfo.imageLinks?.thumbnail ? item.volumeInfo.imageLinks.thumbnail.replaceAll('http://', 'https://') : item.volumeInfo.imageLinks?.thumbnail,
       url: item.volumeInfo.canonicalVolumeLink,
       provider: 'google'
-    }
+    };
 
     const regex = this.getRegexByPublisher(result.publisher);
     const match = result.title.match(regex);
@@ -122,17 +122,17 @@ export class GoogleService {
   private getRegexByPublisher(publisher: string): RegExp {
     switch (publisher) {
       case 'J-Novel Club':
-        return /^(?<title>.+?):?\sVolume\s(?<volume>\d+)$/i;
+        return /^(?<title>.+?):?(?:\s\((?<media_type>\w+)\))?(?:\sVolume\s(?<volume>\d+))?$/i;
       case 'Yen On':
       case 'Yen Press':
       case 'Yen Press LLC':
-        return /^(?<title>.+?)(?:,?\sVol\.\s(?<volume>\d+))?\s\((?<media_type>[\w\s]+)\)$/;
+        return /^(?:(?<title>.+?)(?:,?\sVol\.?\s(?<volume>\d+))(?:\s\((?<media_type>[\w\s]+)\))?)$/i;
       case 'Hanashi Media':
-        return /^(?<title>.+?)\s\((?<media_type>[\w\s]+)\),?\sVol\.\s(?<volume>\d+)$/
+        return /^(?<title>.+?)\s\((?<media_type>[\w\s]+)\),?\sVol\.\s(?<volume>\d+)$/i
       case 'Regin\'s Chronicles':
-        return /^(?<title>.+?)\s\((?<media_type>[\w\s]+)\)(?<subtitle>\:\s.+?)?$/
+        return /^(?<title>.+?)\s\((?<media_type>[\w\s]+)\)(?<subtitle>\:\s.+?)?$/i
       default:
-        return /^(?<title>.+?)(?:,|:|\s\-)?\s(?:Vol(?:\.|ume)?)?\s(?<volume>\d+)$/;
+        return /^(?<title>.+?)(?:,|:|\s\-)?\s(?:Vol(?:\.|ume)?)?\s(?<volume>\d+)$/i;
     }
   }
 }