On Dec 13, 9:00 pm, Davy <[EMAIL PROTECTED]> wrote:
>
> What's "\1" and the whole re.sub() mean?
>
Read about backreferences here:
http://www.regular-expressions.info/brackets.html
Also see the entry on parentheses here:
http://docs.python.org/lib/re-syntax.html
rick
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Hi all,
I have read a re.sub() that confused me.
s = 'P & Q'
s = re.sub(r'([a-zA-Z0-9_.]+)', r'Expr("\1")', s)
What's "\1" and the whole re.sub() mean?
Best regards,
Davy
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