Hello Sybren,
> To be honest, it looks very much like games from 1995...
You should notice: It's a first alpha version.
Freundliche Grüße,
Christoph
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Hallo Alex,
>> r = re.compile("[^a]*a{3}b+(a+b*)*") matches = [s for s in
>> listOfStringsToTest if r.match(s)]
> Unfortunately, the OP's spec is even more complex than this, if we are
> to take to the letter what you just quoted; e.g. aazaaab SHOULD match,
Then it's again "a{3}b", isn't it?
Fr
Hello Roger,
> since the length of the first sequence of the letter 'a' is 2. Yours
> accepts it, right?
Yes, i misunderstood your requirements. So it must be modified
essentially to that what Tim Chase wrote:
m = re.search('^[^a]*a{3}b', 'xyz123aabbaaab')
Best wishes from germany,
Christo
Hello Roger,
> I'm looking for a regular expression that matches the first, and only
> the first, sequence of the letter 'a', and only if the length of the
> sequence is exactly 3.
import sys, re, os
if __name__=='__main__':
m = re.search('a{3}', 'xyz123aaabbaaaabaaabb')
print m
