- import re 
- s = 'Q3U96	Mus musculu	MRMP-mous	Optimizatio	"MRMP-mouse	"' 
- res = re.sub(r'"[^"]+"', lambda m: m.group(0).replace("\t", ""), s) 
- print(res) 
				aW1wb3J0IHJlCnMgPSAnUTNVOTYJTXVzIG11c2N1bHUJTVJNUC1tb3VzCU9wdGltaXphdGlvCSJNUk1QLW1vdXNlCSInCnJlcyA9IHJlLnN1YihyJyJbXiJdKyInLCBsYW1iZGEgbTogbS5ncm91cCgwKS5yZXBsYWNlKCJcdCIsICIiKSwgcykKcHJpbnQocmVzKQ==