Hi,
sorry, this seems to be a FAQ but I couldn't find anything
I need to check if an object is a compiled regular expression
Say
import re
RX= re.compile('^something')
how to test
"if RX is a compiled regular expression"
type(RX) says
<type '_sre.SRE_Pattern'>
but
if isinstance(RX,_sre.SRE_Pattern)
and
if isinstance(RX,re._sre.SRE_Pattern)
both fail.
Many thanks for a hint,
Helmut Jarausch
Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany
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