group by using hyphens, underscores and numbers

SortViaCharacters.py

import os
import shutil
import re

def main():
    base_dir = '.'  # Set the base directory to search for files

    for root, _, files in os.walk(base_dir):
        for file in files:
            new_folder_name = None
            
            if '-' in file:
                # Extract the folder name based on the text before the "-" character
                new_folder_name = file.split(' -')[0].strip()
            else:
                # Extract the folder name based on the text before the first numerical character
                match = re.search(r'\d', file)
                if match:
                    index = match.start()
                    new_folder_name = file[:index].strip()

            if new_folder_name:
                # Append "_folder" to the folder name to avoid naming conflicts
                new_folder_name += "_folder"

                # Create the folder in the base directory if it doesn't exist
                new_folder_path = os.path.join(base_dir, new_folder_name)
                if not os.path.exists(new_folder_path):
                    os.makedirs(new_folder_path)

                # Move the file into the new folder in the base directory
                file_path = os.path.join(root, file)
                new_file_path = os.path.join(new_folder_path, file)
                shutil.move(file_path, new_file_path)

if __name__ == '__main__':
    main()