Looking for part of a string that repeats later
Additional Python Facilities example from a Well House Consultants training course
More on Additional Python Facilities [link]
Source code: again Module: Y115
samevalues = re.compile (r'(?P<bob>\b\d+\b)(.*?)(?P=bob)')
# Or if you prefer it without names this does the same thing:
# samevalues = re.compile (r'(\b\d+\b)(.*?)\1')
info = ["Hello 123 world 456 more 789", \
"G'Day 456 Oztrailia 456 repeats again 456", \
"Yikes 460 goodness 461 whata 461 answer 461" ]
for demo in info:
result = samevalues.findall(demo)
print demo, "YES"
print demo, "NO"
wizard:pyoo graham$ python again
Hello 123 world 456 more 789 NO
G'Day 456 Oztrailia 456 repeats again 456 YES
[('456', ' Oztrailia ')]
Yikes 460 goodness 461 whata 461 answer 461 YES
[('461', ' whata ')]
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This module and example are covered on the following public courses:
* Learning to program in Python
* Python Programming
* Intermediate Python
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