diff --git a/src/main/python/ddadevops/domain/build_file.py b/src/main/python/ddadevops/domain/build_file.py
index c159ca6..76cb044 100644
--- a/src/main/python/ddadevops/domain/build_file.py
+++ b/src/main/python/ddadevops/domain/build_file.py
@@ -48,11 +48,11 @@ class BuildFile(Validateable):
     def __get_file_type_regex_str(self, file_type: BuildFileType):
         match file_type:
             case BuildFileType.JAVA_GRADLE:
-                return "[0-9]*\\.[0-9]*\\.[0-9]*(-SNAPSHOT)?"
+                return r'(?P<pre_version>version\s?=\s?)\"(?P<version>\d*\.\d*\.\d*(-SNAPSHOT)?)\"'
             case BuildFileType.PYTHON:
-                return "[0-9]*\\.[0-9]*\\.[0-9]*(-SNAPSHOT)?(-dev)?[0-9]*"
+                return r'(?P<pre_version>version\s?=\s?)\"(?P<version>\d*\.\d*\.\d*(-SNAPSHOT|-dev\d*)?)\"'
             case BuildFileType.JAVA_CLOJURE:
-                return r'(?P<project>\(defproject\s(\S)*\s)\"(?P<version>\d*\.\d*\.\d*(-SNAPSHOT)?)\"'
+                return r'(?P<pre_version>\(defproject\s(\S)*\s)\"(?P<version>\d*\.\d*\.\d*(-SNAPSHOT)?)\"'
             case _:
                 return ""
 
@@ -63,22 +63,9 @@ class BuildFile(Validateable):
                 case BuildFileType.JS:
                     version_str = json.loads(self.content)["version"]
                 case BuildFileType.JAVA_GRADLE:
-                    # TODO: '\nversion = ' will not parse all ?!
-                    version_line = re.search("\nversion = .*", self.content)
-                    version_line_group = version_line.group()
-                    version_string = re.search(
-                        self.__get_file_type_regex_str(build_file_type), version_line_group
-                    )
-                    version_str = version_string.group()
+                    version_str = re.search(self.__get_file_type_regex_str(build_file_type), self.content).group("version")
                 case BuildFileType.PYTHON:
-                    # TODO: '\nversion = ' will not parse all ?!
-                    version_line = re.search("\nversion = .*\n", self.content)
-                    version_line_group = version_line.group()
-                    version_string = re.search(
-                        self.__get_file_type_regex_str(build_file_type),
-                        version_line_group,
-                    )
-                    version_str = version_string.group()
+                    version_str = re.search(self.__get_file_type_regex_str(build_file_type), self.content).group("version")
                 case BuildFileType.JAVA_CLOJURE:
                     version_str = re.search(self.__get_file_type_regex_str(build_file_type), self.content).group("version")
         except:
@@ -103,22 +90,24 @@ class BuildFile(Validateable):
                     self.content = json.dumps(json_data, indent=4)
                 case BuildFileType.JAVA_GRADLE:
                     substitute = re.sub(
-                        f'\nversion = "{self.__get_file_type_regex_str(build_file_type)}"',
-                        f'\nversion = "{new_version.to_string()}"',
+                        self.__get_file_type_regex_str(build_file_type),
+                        fr'\g<pre_version>"{new_version.to_string()}"',
                         self.content,
+                        1,
                     )
                     self.content = substitute
                 case BuildFileType.PYTHON:
                     substitute = re.sub(
-                        f'\nversion = "{self.__get_file_type_regex_str(build_file_type)}"',
-                        f'\nversion = "{new_version.to_string()}"',
+                        self.__get_file_type_regex_str(build_file_type),
+                        fr'\g<pre_version>"{new_version.to_string()}"',
                         self.content,
+                        1,
                     )
                     self.content = substitute
                 case BuildFileType.JAVA_CLOJURE:
                     substitute = re.sub(
                         self.__get_file_type_regex_str(build_file_type),
-                        fr'\g<project>"{new_version.to_string()}"',
+                        fr'\g<pre_version>"{new_version.to_string()}"',
                         self.content,
                         1,
                     )