carbony | Hijri date library on top of Carbon | Date Time Utils library

I'm trying to find and replace a certain string in Python 2.7. Here is my string (shown raw):

\n\n\nTOSS UP\n\n\n\n1. MATH Short Answer Pablo walks 4 miles north, 6 miles east, and then 2 miles north again. In simplest form, how many miles is he from his starting point?\n\n\n\nANSWER: 6\n\n\n\nBONUS\n\n\n\n1. MATH Short Answer Evaluate the limit as x approaches infinity of x times the quantity negative 1 plus e to the 1 over x.\n\n\n\nANSWER: 1\n\n\n\nTOSS UP\n\n\n\n2. CHEMISTRY Multiple Choice Which of the following is NOT a characteristic of amines?\n\n\n\nW) A fully protonated amine is called an ammonium ion\n\nX) Amines can function as Br\xc3\xb8nsted bases\n\nY) The VSEPR geometry of the nitrogen atom is trigonal planar\n\nZ) Amines can be a hydrogen bond acceptor\n\n\n\nANSWER: Y) The VSEPR geometry of the nitrogen atom is trigonal planar\n\n\n\nBONUS\n\n\n\n2. CHEMISTRY Multiple Choice Of the following elements in their monatomic gaseous states, which has the lowest electron affinity?\n\n\n\nW) BoronX) CarbonY) NitrogenZ) OxygenANSWER: Y) NITROGEN\n\n\n

I'm using this regex to search it, and then doing a few replacements: