John Machin wrote:
> So here's the mean lean no-flab version -- you don't even need the
> parentheses (sorry, Thomas).
>
> >>> rx1=re.compile(r"""\b\d\d\d\d,|\b\d\d\d\d-\d\d\d\d,""")
> >>> rx1.findall("1234,2222-8888,4567,")
> ['1234,', '2222-8888,', '4567,']
No flab? What about all that repetition of \d? A less flabby version:
>>> rx1=re.compile(r"""\b\d{4}(?:-\d{4})?,""")
>>> rx1.findall("1234,2222-8888,4567,")
['1234,', '2222-8888,', '4567,']
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