From 867e9a9c0cdabf7aa6e5795936491ed14b13b18b Mon Sep 17 00:00:00 2001
From: Jakob Scheid <jakob.scheid@icloud.com>
Date: Thu, 2 Apr 2026 12:48:18 +0200
Subject: [PATCH] Bug fix: jeb_utils.utils.is_number could return True even if
 the base is 0 which is mathematically incorrect.

---
 README.md              | 7 +++++--
 pyproject.toml         | 2 +-
 src/jeb_utils/utils.py | 2 ++
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 1a995ec..8744dfa 100644
--- a/README.md
+++ b/README.md
@@ -77,11 +77,14 @@ pip install jeb-utils --index-url https://repo.jcloud-services.ddns.net/simple/
 - `create_file_if_not_exists`: Creates a file if it does not exist.
 
 ## Changelog
+### Version 0.2.2
+- Bug fix: jeb_utils.utils.is_number could return `True` even if the base is `0` which is mathematically incorrect.
+
 ### Version 0.2.1
-- Added feature for validating addresses.
+- Add feature for validating addresses.
 
 ### Version 0.2.0
-- Removed all the functions and classes that are now in jeb-server-utils. 
+- Remove all the functions and classes that are now in jeb-server-utils. 
 
 ### Version 0.1.4
 - Bug fix: Due to a refactoring, `jeb_utils.jebp_utils.unpack_fields` did not work.
diff --git a/pyproject.toml b/pyproject.toml
index c70e41f..cb0be83 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "jeb-utils"
-version = "0.2.1"
+version = "0.2.2"
 description = "Common utils for JEB client and server."
 dependencies = ["cryptography"]
 license = "Apache-2.0"
\ No newline at end of file
diff --git a/src/jeb_utils/utils.py b/src/jeb_utils/utils.py
index b43f1f9..2a2cdd0 100644
--- a/src/jeb_utils/utils.py
+++ b/src/jeb_utils/utils.py
@@ -38,6 +38,8 @@ def is_number(string: str, base: int = 10) -> bool:
     :return: ``True`` if the string is a number, otherwise ``False``
     :rtype: bool
     '''
+    if base == 0:
+        return False
     if not string:
         return False
     try: