From 0de977665bc5aa9dcebc30622ad5ed5e3b87c707 Mon Sep 17 00:00:00 2001
From: spindrift <spindrift@badkitty.zone>
Date: Tue, 20 Jan 2026 15:21:34 -0500
Subject: [PATCH] Adjust regexes to correctly parse volume and chapter when at
 start of filename

This accommodates a long-standing behavior in Mihon derivatives that strips series from filename under certain conditions.
---
 .../src/commonMain/kotlin/snd/komf/util/BookNameParser.kt   | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/komf-core/src/commonMain/kotlin/snd/komf/util/BookNameParser.kt b/komf-core/src/commonMain/kotlin/snd/komf/util/BookNameParser.kt
index 9b75a243..56dd494b 100644
--- a/komf-core/src/commonMain/kotlin/snd/komf/util/BookNameParser.kt
+++ b/komf-core/src/commonMain/kotlin/snd/komf/util/BookNameParser.kt
@@ -4,14 +4,14 @@ import snd.komf.model.BookRange
 
 object BookNameParser {
     private val volumeRegexes = listOf(
-        "(?i),?\\s\\(?volume\\s(?<volumeStart>[0-9]+)(,?\\s?[0-9]+,)+(?<volumeEnd>\\s?[0-9]+)\\)?".toRegex(),
-        "(?i),?\\s\\(?([vtT]|vols\\.\\s|vol\\.\\s|volume\\s)(?<volumeStart>[0-9]+([.x#][0-9]+)?)(?<volumeEnd>-[0-9]+([.x#][0-9]+)?)?\\)?".toRegex(),
+        "(?i)(?:^|,?\\s)\\(?volume\\s(?<volumeStart>[0-9]+)(,?\\s?[0-9]+,)+(?<volumeEnd>\\s?[0-9]+)\\)?".toRegex(),
+        "(?i)(?:^|,?\\s)\\(?([vtT]|vols\\.\\s|vol\\.\\s|volume\\s)(?<volumeStart>[0-9]+([.x#][0-9]+)?)(?<volumeEnd>-[0-9]+([.x#][0-9]+)?)?\\)?".toRegex(),
         ".*第(?<volumeStart>\\d+)-?(?<volumeEnd>\\d+)?.*巻".toRegex(),
         ".*年(?:[0-9]+月)?(?:[0-9]+日)?(?<volumeStart>\\d+)-?(?<volumeEnd>\\d+)?号".toRegex(),
     )
 
     private val chapterRegexes = listOf(
-        "(?i)(\\sc|\\s?ch\\.\\s|\\s?chapter\\s|\\s?ep\\.\\s)(?<start>[0-9]+([.x#][0-9]+)?)(?<end>-[0-9]+([.x#][0-9]+)?)?".toRegex(),
+        "(?i)(?:^|\\s?)(c|ch\\.\\s|chapter\\s|ep\\.\\s)(?<start>[0-9]+([.x#][0-9]+)?)(?<end>-[0-9]+([.x#][0-9]+)?)?".toRegex(),
         ".*第(?<start>\\d+(\\.\\d+)?)-?(?<end>\\d+(\\.\\d+)?)?.*話".toRegex(),
     )
     private val bookNumberRegexes = listOf(