From 1f3d417ee993eac07c61e0a3a54e517ec9c93035 Mon Sep 17 00:00:00 2001
From: Ken Chou <zhang-j@klab.com>
Date: Fri, 2 Aug 2024 17:52:41 +0800
Subject: [PATCH] update README

---
 README.md | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index e596760..5d4da13 100644
--- a/README.md
+++ b/README.md
@@ -44,12 +44,22 @@ If it is not found, it will then be looked for in the user's home directory.
 
 ```yaml
 remove: |-
-  example_filename
+  # Any line that starts with '#' is treated as a comment.
+  # Match the filename exactly.
+  example_filename.ext
+  # '*' and '?' are wildcards.
   wildcard*
+  # For more complex matching, use regular expressions.
+  # Notice: regex must start with "/".
+  /regex_pattern1
+  /regex_pattern2
 remove_hash:
   "filename_or_wildcard":
     - md5hash
 cleanup: |-
-  # Notice: regex must start with /.
-  /regex_pattern
+  # The filename cleaning rules only support regular expressions, 
+  # so there is no need to start with '/'. 
+  # The matched strings will be replaced with an empty string.
+  regex_pattern1
+  regex_pattern2
 ```