Python正则表达式：如何拆分webpubsubscriptionbillmeclientsapi3.0.14.1。

Question

我想分开 webs-pub-subscription-billme-clients-api-3.0.14.1.war

收件人：

Web pub订阅billme客户端api

以及 3.0.14.1条

如何在Python中进行拆分？谢谢

Answer 1

就这样好了：

import re
regex = r"(-)(?=[\d\.]+)"
test_str = "webs-pub-subscription-billme-clients-api-3.0.14.1.war"
subst = " "
result = re.sub(regex, subst, test_str, 0)
if result:
    print (result)

Answer 2

s = 'webs-pub-subscription-billme-clients-api-3.0.14.1.war'

# slice between the last dash, and the last dot:
print s[s.rfind('-')+1:s.rfind('.')]


# or, regex split on the last dash or the last dot 
# (a dash not followed by another dash, or a dot not followed by another dot)
# and take the middle chunk
import re
print re.split('-(?!.*-)|\.(?!.*\.)', s)[1]

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