diff --git a/find_duplicate_files/find_duplicate_files.py b/find_duplicate_files/find_duplicate_files.py
index c97f5a1..a96234c 100644
--- a/find_duplicate_files/find_duplicate_files.py
+++ b/find_duplicate_files/find_duplicate_files.py
@@ -13,10 +13,11 @@ import click_config_file
 from logging.handlers import SysLogHandler
 import zlib
 import sqlite3
+import re
 
 class find_duplicate_files:
 
-    def __init__(self, debug_level, log_file, dummy, first_directory, second_directory):
+    def __init__(self, debug_level, log_file, dummy, first_directory, second_directory, exclude):
         ''' Initial function called when object is created '''
         self.config = dict()
         self.config['debug_level'] = debug_level
@@ -28,6 +29,7 @@ class find_duplicate_files:
         self.dummy = dummy
         self.first_directory = first_directory
         self.second_directory = second_directory
+        self.exclude = exclude
 
         self._init_db_cache()
 
@@ -73,29 +75,39 @@ class find_duplicate_files:
         else:
             return False
 
+    def _test_exclude(self, file_name):
+        """ Test if a filename match any of the exclusions """
+        for exclude in self.exclude:
+            match = re.search(exclude, file_name)
+            if match:
+                return True
+            else:
+                return False
+
     def recursive_scandir(self, path, ignore_hidden_files=True):
         ''' Recursively scan a directory for files'''
         files = dict()
         try:
             for file in os.scandir(path):
                 if not file.name.startswith('.'):
-                    if file.is_file():
-                        check_cache = self._check_file_cache(file.path)
-                        if check_cache:
-                            files[check_cache] = file.path
-                        else:
-                            with open(file.path, 'rb') as file_pointer:
-                                file_content = file_pointer.read()
-                                hash = zlib.adler32(file_content)
-                                files[hash] = file.path
-                                self._cache_file(file.path, hash)
-                    elif file.is_dir(follow_symlinks=False):
-                        more_files = self.recursive_scandir(
-                            file.path,
-                            ignore_hidden_files=ignore_hidden_files
-                        )
-                        if more_files:
-                            files = { **files, **more_files }
+                    if not self._test_exclude(file.path):
+                        if file.is_file():
+                            check_cache = self._check_file_cache(file.path)
+                            if check_cache:
+                                files[check_cache] = file.path
+                            else:
+                                with open(file.path, 'rb') as file_pointer:
+                                    file_content = file_pointer.read()
+                                    hash = zlib.adler32(file_content)
+                                    files[hash] = file.path
+                                    self._cache_file(file.path, hash)
+                        elif file.is_dir(follow_symlinks=False):
+                            more_files = self.recursive_scandir(
+                                file.path,
+                                ignore_hidden_files=ignore_hidden_files
+                            )
+                            if more_files:
+                                files = { **files, **more_files }
         except PermissionError as error:
             self._log.warning(f"Permission denied accessing folder '{path}'")
         self._log.debug(f"Found {len(files)} files. Cache contains {self._cache_size()} records.")
@@ -142,9 +154,10 @@ class find_duplicate_files:
 @click.option("--dummy","-n", is_flag=True, help="Don't do anything, just show what would be done.") # Don't forget to add dummy to parameters of main function
 @click.option('--first-directory', '-f', required=True, help='First directory to find files AND TO DELETE FILES FROM!!!')
 @click.option('--second-directory', '-s', required=True, help='Second directory to find files')
+@click.option('--exclude', '-e', multiple=True, help='Regular expression pattern to exclude from files and directories.')
 @click_config_file.configuration_option()
-def __main__(debug_level, log_file, dummy, first_directory, second_directory):
-    return find_duplicate_files(debug_level, log_file, dummy, first_directory, second_directory)
+def __main__(debug_level, log_file, dummy, first_directory, second_directory, exclude):
+    return find_duplicate_files(debug_level, log_file, dummy, first_directory, second_directory, exclude)
 
 if __name__ == "__main__":
     __main__()