From e6b773561b1cb588e6e3204030092af62859bd1a Mon Sep 17 00:00:00 2001
From: Vrihub <Vrihub@users.noreply.github.com>
Date: Sat, 15 Jun 2024 20:58:41 +0200
Subject: [PATCH] Refactor regexps in PATTERNS

---
 beetsplug/fromfilename.py | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/beetsplug/fromfilename.py b/beetsplug/fromfilename.py
index 598cbeda9a..0f34fd09cb 100644
--- a/beetsplug/fromfilename.py
+++ b/beetsplug/fromfilename.py
@@ -25,12 +25,10 @@
 # Filename field extraction patterns.
 PATTERNS = [
     # Useful patterns.
-    r"^(?P<artist>.+)[\-_](?P<title>.+)[\-_](?P<tag>.*)$",
-    r"^(?P<track>\d+)[\s.\-_]+(?P<artist>.+)[\-_](?P<title>.+)[\-_](?P<tag>.*)$",
-    r"^(?P<artist>.+)[\-_](?P<title>.+)$",
-    r"^(?P<track>\d+)[\s.\-_]+(?P<artist>.+)[\-_](?P<title>.+)$",
-    r"^(?P<track>\d+)[\s.\-_]+(?P<title>.+)$",
-    r"^(?P<track>\d+)\s+(?P<title>.+)$",
+    (r"^(?P<track>\d+)\.?\s*-\s*(?P<artist>.+?)\s*-\s*(?P<title>.+?)"
+     r"(\s*-\s*(?P<tag>.*))?$"),
+    r"^(?P<artist>.+?)\s*-\s*(?P<title>.+?)(\s*-\s*(?P<tag>.*))?$",
+    r"^(?P<track>\d+)\.?[\s\-_]+(?P<title>.+)$",
     r"^(?P<title>.+) by (?P<artist>.+)$",
     r"^(?P<track>\d+).*$",
     r"^(?P<title>.+)$",