ABCD = XYZAHFJKBKFF
{
   sdfsd
   sd
   fsd
   fsd
   fsd
   fsd
   fsd
   fsd
   (This can be anything and including most common characters)
   (This may Include Curly, Round brackets as well)
}

pattern = re.compile(r"ABCD.*}",re.DOTALL)
fafs = re.findall(pattern, data)

for letters in re.findall(pattern, data):
    print(letters)