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From: MRAB on 17 Jun 2010 18:35
dmtr wrote:
> I need to print the regexp pattern text (SRE_Pattern object ) for
> debugging purposes, is there any way to do it gracefully? I've came up
> with the following hack, but it is rather crude... Is there an
> official way to get the regexp pattern text?
>
>>>> import re, pickle
>>>> r = re.compile('^abc$', re.I)
>>>> r
> <_sre.SRE_Pattern object at 0xb7e6a330>
>
>>>> ds = pickle.dumps(r)
>>>> ds
> "cre\n_compile\np0\n(S'^abc$'\np1\nI2\ntp2\nRp3\n."
>
>>>> re.search("\n\(S'(.*)'\n", ds).group(1)
> '^abc$'
>

>>> import re
>>> r = re.compile('^abc$', re.I)
>>> r.pattern
'^abc$'
>>> r.flags
2

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