import re
texts = ["Examination(s):\r\nMathematics 2nd Paper\r\n\r\nTimeTable",
    "Examination(s):\r\nMathematics 2nd Paper\r\nblahblah",
    "Examination(s):\r\nMathematics 2nd Paper\r\n\r\n\r\nmarks"]
 
for text in texts:
	m = re.search(r'Examination\(s\):\s*([^\r\n]+)', text)
	print(f'--- {repr(text)} ---')
	if m:
		print(m.group(1))