menu = '''\
    Select an option by entering its number and pressing Enter.
    1. Create a user account
    2. Log in to existing account
    ---\
'''
menu = textwrap.dedent(menu)
print(menu)

'\n'.join(
    'Line 1',
    'Line 2"
)

/((?:^_*)?(?:[A-Z][-_A-Z]*|[^-\s_A-Z]+)(?:_*$)?)/gi

  /*
     This regex is to match all words in the string

    /((?:^_*)?(?:[A-Z][-_A-Z]*|[^-\s_A-Z]+)(?:_*$)?)/gi  : Regex to match words
     ((?:^_*)?(?:[A-Z][-_A-Z]*|[^-\s_A-Z]+)(?:_*$)?)     : Main group
      (?:^_*)                                            : Match all '_' in the string, non-capturing
      (?:   )                                            : Non-capturing
         ^                                               : Position at start of string
          _*                                             : Match '_' as many times as needed