Matthew Barnett <[email protected]> added the comment:
help(re.sub) says:
sub(pattern, repl, string, count=0)
and re.IGNORECASE has a value of 2.
Therefore this:
re.sub("_", "X", subject, re.IGNORECASE)
is telling it to replace at most 2 occurrences of "_".
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nosy: +mrabarnett
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