On 2018-04-13 18:28, Joseph L. Casale wrote:
I have an array of hex chars which designate required characters.
and one happens to be \x5C or "\". What foo is required to build the
pattern to exclude all but:
regex = re.compile('[^{}]+'.format(''.join(c for c in character_class)))
I would use that in a re.sub to collapse and replace all but those
in the character_class. Obviously the escape issues break the \x5C
character.
Use re.escape:
regex = re.compile('[^{}]+'.format(re.escape(''.join(c for c in
character_class))))
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