import re
 
regex = r'"/transfer/packages/[A-Za-z0-9]{8}-(?:[A-Za-z0-9]{4}-){3}[A-Za-z0-9]{12}[^"\r\n]*"'
test_str = ("something .... something else ...\n"
	"url=\"/transfer/packages/00000000-0000-0000-0000-000000000000/connectors/68f74d66-ca3d-4272-9b59-4f737946b3f7/something/138bb190-3b12-4855-88e2-0d1cdf46aeb5/...../...../...../...../....\"\n"
	"other things ...\n\n"
	"68f74d66-ca3d-4272-9b59-4f737946b300")
 
for str in re.findall(regex, test_str):
	print(re.findall(r"[A-Za-z0-9]{8}-(?:[A-Za-z0-9]{4}-){3}[A-Za-z0-9]{12}", str))

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