def get_valid_filename(s):
    s = s.strip().replace(' ', '_')
    return re.sub(r'(?u)[^-\w.]', '', s)
>>> delete_unique("Trust no one")
dataset/ETHPy150Open quantmind/lux/lux/utils/files.py/get_valid_filename--crossover with--dataset/ETHPy150Open bt3gl/Python-and-Algorithms-and-Data-Structures/src/builtin_structures/delete_duplicate_char_str.py/delete_unique