正则匹配不包含与包含

#  要求匹配abc,abc后面只要不跟连续的df就能匹配到
import re
reg = re.compile(".*(abc(?!(df))|xxxx).*")
print(re.match(reg, "ssadxxxx"))
print(re.match(reg, "ssabcxx"))
print(re.match(reg, "ssabcdfxx"))

转载于:https://www.cnblogs.com/lajiao/p/10626448.html