[issue17426] \0 in re.sub substitutes to space

[Guido van Rossum]

Guido van Rossum added the comment:

It's not a space, it's a null byte.

Would you mind pointing out exactly where the Python docs state that \0 in re.sub() refers to th ewhole group?  (IIRC it should only say that group 0 refers the whole string in the argument to the .group() method on a match object as returned by re.match() or re.search().)

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nosy: +gvanrossum

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<http://bugs.python.org/issue17426>
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